A1 noun #3,500 よく出る 7分で読める

hygiene

Hygiene, at a B1 level, involves understanding the broader impact of personal and environmental cleanliness on health. It's not just about individual habits, but also about community well-being and disease prevention. For instance, knowing how proper food hygiene prevents illness or how public sanitation systems contribute to overall health are key aspects. It encompasses a more developed awareness of different hygiene practices, their purposes, and their consequences for both individuals and society.

§ Understanding "Hygiene"

The word hygiene is a noun that describes the practices we follow to keep ourselves and our surroundings clean. It's all about staying healthy and preventing illnesses. Think about the actions you take every day to feel fresh and clean – those are part of good hygiene.

§ Everyday Examples of Hygiene

When we talk about hygiene, we're referring to simple, common actions. These are things most people do without even thinking about them, like:

  • Washing your hands with soap and water.
  • Taking a shower or bath regularly.
  • Brushing your teeth twice a day.
  • Keeping your clothes clean.
  • Cleaning your home, especially the kitchen and bathroom.

All these actions contribute to good hygiene and help to stop germs from spreading.

DEFINITION
Hygiene refers to the practice of keeping yourself and your surroundings clean to stay healthy and prevent the spread of diseases. It includes basic habits like washing your hands, bathing, and brushing your teeth.

§ Why is Hygiene Important?

Good hygiene is incredibly important for several reasons:

  • Prevents Illness: Many diseases are spread through germs. Washing your hands, for example, is one of the best ways to remove these germs and avoid getting sick.
  • Promotes Health: When you practice good hygiene, you are actively protecting your body from harmful bacteria and viruses.
  • Boosts Confidence: Feeling clean and fresh can improve your mood and make you feel more confident in social situations.
  • Social Acceptance: In most cultures, good hygiene is expected and appreciated. It shows respect for yourself and others.

§ When Do People Use the Word "Hygiene"?

People use the word hygiene in various contexts, often when discussing health, public health, or personal care. Here are some common scenarios:

  • In schools: Teachers might talk about hand hygiene to their students to prevent the spread of colds and flu.
  • In healthcare: Doctors and nurses emphasize strict hygiene practices to keep hospitals clean and safe for patients.
  • At home: Parents teach their children about personal hygiene habits from a young age.
  • In public health campaigns: You might see posters or advertisements promoting good hygiene during flu season or an outbreak of illness.

Good personal hygiene is essential for preventing illness.

The hospital maintains high standards of hygiene.

She taught her children the importance of dental hygiene.

In summary, hygiene is a broad term for all the actions that keep us and our environment clean, leading to better health and well-being. It's a fundamental concept for living a healthy life.

§ Understanding 'Hygiene'

The word 'hygiene' is a noun that helps us talk about staying clean and healthy. It's a very important word, especially when you're learning about daily routines and health. Let's break down what it means and how to use it.

DEFINITION
Hygiene refers to the practice of keeping yourself and your surroundings clean to stay healthy and prevent the spread of diseases. It includes basic habits like washing your hands, bathing, and brushing your teeth.

Think of 'hygiene' as all the things you do to keep clean. This includes actions like:

  • Washing your hands with soap and water.
  • Taking a shower or bath.
  • Brushing your teeth.
  • Keeping your clothes clean.
  • Cleaning your home.

All these actions fall under the umbrella of 'hygiene'. When you practice good hygiene, you help yourself and others stay healthy.

§ How to Use 'Hygiene' in Sentences

'Hygiene' is a noun, and it's generally used as an uncountable noun. This means we don't usually say 'hygienes' (plural) or 'a hygiene' (singular with 'a'). We talk about 'good hygiene' or 'personal hygiene'.

Good hygiene is important for everyone.

In this sentence, 'good hygiene' is the subject. It tells us what is important.

She teaches children about personal hygiene.

Here, 'personal hygiene' is the object of the verb 'teaches'. It specifies what she teaches.

§ Common Phrases with 'Hygiene'

You'll often hear 'hygiene' used with certain adjectives to specify the type of cleanliness being discussed. Here are some common collocations (words that often go together):

  • Personal hygiene: This refers to keeping your body clean.
  • Oral hygiene: This is about keeping your mouth and teeth clean and healthy.
  • Food hygiene: This refers to keeping food safe and clean to eat.
  • Public hygiene: This is about keeping public places clean.

Brushing your teeth is part of oral hygiene.

Always wash your hands for good personal hygiene.

§ Prepositions with 'Hygiene'

While 'hygiene' doesn't always need a preposition, you might see it with 'for' or 'of' in certain contexts, though it's less common for CEFR A1 learners to use these complex structures.

The nurse talked about the importance of hygiene.

In this case, 'of' is used to show possession or relationship – 'the importance that belongs to hygiene'.

§ Practice Time!

Now, try to make your own sentences using 'hygiene'. Think about what you do every day to stay clean and healthy.

  • What is important for good hygiene?
  • Do you practice good oral hygiene?
  • Why is food hygiene important in the kitchen?

By practicing with these examples, you'll become more comfortable using 'hygiene' in your daily conversations.

§ Similar Words and When to Use 'Hygiene' vs. Alternatives

Understanding similar words can help you use 'hygiene' more precisely. While 'hygiene' broadly covers practices for health and cleanliness, other words have more specific meanings or implications.
Cleanliness
This is a very general term that refers to the state of being free from dirt, stains, or impurities. While hygiene aims for cleanliness, cleanliness itself doesn't always imply a health benefit or disease prevention like hygiene does. You can talk about the cleanliness of a car, which isn't directly related to health, but you wouldn't typically talk about the 'hygiene' of a car.

The cleanliness of the kitchen is important for food safety.

Sanitation
Sanitation often refers to public health conditions, especially the provision of clean drinking water and adequate sewage disposal. It's a broader, more systemic term than 'hygiene' and usually applies to infrastructure and community-wide efforts rather than individual practices.

Improved sanitation facilities have dramatically reduced disease in the village.

Grooming
Grooming focuses on personal appearance and tidiness, such as styling hair, trimming nails, and dressing well. While good grooming often includes good hygiene practices (like bathing), its primary aim is presentation, not necessarily disease prevention.

He spent an hour on his morning grooming routine before the interview.

Tidiness
Tidiness refers to being neat and orderly, especially in one's surroundings. A tidy room is free of clutter, but it might not be hygienically clean. While a tidy environment can contribute to better hygiene (by making it easier to clean), the words aren't interchangeable.

She always insisted on the tidiness of her workspace.

§ When to Use 'Hygiene'

Use 'hygiene' when you are specifically talking about practices that prevent disease and promote health through cleanliness. This can apply to:
  • **Personal care:** Washing hands, bathing, brushing teeth, and other routine personal practices to stay healthy.
  • **Food preparation:** Practices like washing fruits and vegetables, and cleaning cooking surfaces to prevent foodborne illnesses.
  • **Medical or clinical settings:** Strict procedures to prevent infections in hospitals and clinics.
  • **Public health initiatives:** Campaigns promoting handwashing or safe water practices.
Here are some common phrases where 'hygiene' is typically used:
  • **Personal hygiene:** Refers to an individual's practices for maintaining health and cleanliness.
  • **Oral hygiene:** Specifically about keeping your mouth and teeth clean and healthy.
  • **Food hygiene:** Practices related to handling, preparing, and storing food safely.
  • **Industrial hygiene:** Focuses on workplace conditions that can affect the health of workers.

Good hygiene is crucial for preventing the spread of colds and flu.

The restaurant received high marks for its kitchen hygiene standards.

By understanding these distinctions, you can choose the most accurate word to convey your meaning, especially when discussing health, public safety, or personal care.

レベル別の例文

1

Good personal hygiene is important for everyone.

良い個人の衛生は誰にとっても重要です。

Here, 'hygiene' is used as a general concept.

2

Washing hands regularly is a basic hygiene rule.

定期的な手洗いは基本的な衛生規則です。

Here, 'hygiene rule' refers to a specific practice.

3

She learned about dental hygiene at school.

彼女は学校で口腔衛生について学びました。

'Dental hygiene' is a common collocation.

4

The hospital maintains high standards of hygiene.

その病院は高い衛生基準を維持しています。

'Standards of hygiene' indicates a level of cleanliness.

5

He always carries a small hand sanitizer for hygiene.

彼は常に衛生のために小さな手指消毒剤を持ち歩いています。

Here, 'for hygiene' explains the purpose of the sanitizer.

6

Poor hygiene can lead to illness.

不衛生は病気につながる可能性があります。

'Poor hygiene' is the opposite of good hygiene.

7

It's important to teach children about good hygiene habits.

子供たちに良い衛生習慣について教えることが重要です。

'Hygiene habits' are routine practices.

8

The restaurant has excellent kitchen hygiene.

そのレストランは素晴らしい厨房衛生を保っています。

'Kitchen hygiene' refers to cleanliness in the kitchen.

類義語

cleanliness sanitation purity disinfection healthfulness

反対語

dirtiness filth impurity

文法パターン

Noun + Verb (is) Verb + Noun (practice) Noun + Verb (helps to) Verb (is) + Noun phrase Modal verb (need) + Noun Noun + Verb (makes) Possessive adjective + Noun Adjective + Noun

文型パターン

A1

Good hygiene is important.

Good hygiene is important for staying healthy.

A1

Practice good hygiene.

Always practice good hygiene.

A1

Hygiene helps to ...

Hygiene helps to prevent sickness.

A1

... is a part of hygiene.

Washing hands is a part of hygiene.

A1

We need hygiene for ...

We need hygiene for a clean body.

A1

Hygiene makes us feel ...

Hygiene makes us feel fresh.

A1

He/She has good hygiene.

She has good hygiene, she always washes her hands.

A1

Poor hygiene can cause ...

Poor hygiene can cause germs.

使い方

The noun hygiene refers to the practices and conditions necessary for maintaining health and preventing disease, through cleanliness. It can refer to personal habits (e.g., personal hygiene) or public health practices (e.g., public hygiene).

よくある間違い

A common mistake is confusing 'hygiene' with 'health.' While related, hygiene specifically refers to cleanliness practices, whereas health is a broader state of well-being. Another mistake is using 'hygiene' as an adjective; the correct adjective form is 'hygienic' (e.g., hygienic practices).

ヒント

Practice good hygiene

Always remember to wash your hands regularly, especially before eating and after using the restroom. This is a key part of hygiene.

Daily personal hygiene

Make sure to bathe or shower daily. Keeping your body clean helps prevent odors and skin issues, which is important for personal hygiene.

Oral hygiene matters

Brush your teeth twice a day and floss regularly. Good oral hygiene prevents cavities and gum disease.

Food hygiene

Always wash fruits and vegetables before eating them, and cook meat thoroughly. This is crucial for food hygiene to prevent illness.

Cough and sneeze etiquette

When you cough or sneeze, cover your mouth and nose with a tissue or your elbow to prevent the spread of germs. This is a simple hygiene practice.

Keep your surroundings clean

Regularly clean and disinfect surfaces in your home and workplace. This helps maintain good environmental hygiene.

Hand sanitizer as a backup

If soap and water aren't available, use an alcohol-based hand sanitizer. It's a good temporary solution for hand hygiene.

Nail hygiene

Keep your fingernails trimmed and clean. Germs can easily hide under long or dirty nails, impacting your hygiene.

Wear clean clothes

Change into clean clothes regularly. This contributes to overall personal hygiene and helps you feel fresh.

Understand the importance

Remember that practicing good hygiene is about staying healthy and protecting others from illness. It's a fundamental aspect of well-being.

自分をテスト 48 問

multiple choice A1

Which of these is a part of good hygiene?

正解! おしい! 正解: Washing your hands

Washing your hands helps keep you clean and healthy.

multiple choice A1

What does 'hygiene' help prevent?

正解! おしい! 正解: Diseases

Hygiene helps stop the spread of sickness.

multiple choice A1

Which body part is important to keep clean for good hygiene?

正解! おしい! 正解: Your hands

Keeping your hands clean is a very important part of hygiene.

true false A1

Brushing your teeth is a part of hygiene.

正解! おしい! 正解: 正しい

Brushing your teeth keeps your mouth clean and healthy.

true false A1

You should only wash your hands once a week.

正解! おしい! 正解: 間違い

You should wash your hands often, especially before eating and after using the restroom.

true false A1

Good hygiene means keeping yourself clean.

正解! おしい! 正解: 正しい

Hygiene is all about staying clean to be healthy.

listening A1

Think about staying clean.

正解! おしい! 正解: Wash your hands with soap and water.
正解! おしい! 正解:
listening A1

What do you do for clean teeth?

正解! おしい! 正解: Brushing your teeth every day is good hygiene.
正解! おしい! 正解:
listening A1

What helps you stay healthy?

正解! おしい! 正解: Clean surroundings help prevent sickness.
正解! おしい! 正解:
speaking A1

Read this aloud:

I wash my hands before eating.

Focus: wash, hands, eating

正解! おしい! 正解:
speaking A1

Read this aloud:

Good hygiene keeps me healthy.

Focus: hygiene, healthy

正解! おしい! 正解:
speaking A1

Read this aloud:

Bathing daily is important.

Focus: bathing, important

正解! おしい! 正解:
sentence order A1

下の単語をタップして文を組み立てよう
正解! おしい! 正解: wash your hands

This is a common phrase to encourage cleanliness.

sentence order A1

下の単語をタップして文を組み立てよう
正解! おしい! 正解: I brush my teeth

This sentence describes a basic hygiene habit.

sentence order A1

下の単語をタップして文を組み立てよう
正解! おしい! 正解: Hygiene is good

This states a simple fact about hygiene.

writing B2

Imagine you are a public health official. Write a short announcement (3-4 sentences) for a community newsletter emphasizing the importance of good hygiene practices during flu season. Focus on practical tips.

Well written! Good try! Check the sample answer below.

Sample answer

As flu season approaches, maintaining good hygiene is paramount to protecting our community's health. Frequent and thorough handwashing, especially after coughing or sneezing, significantly reduces germ transmission. Remember to also disinfect frequently touched surfaces and avoid touching your face. These simple hygiene practices are crucial in preventing the spread of illness.

正解! おしい! 正解:
writing B2

You are writing an email to a new roommate about establishing shared hygiene expectations in your apartment. List at least three specific hygiene habits you think are important for a shared living space and explain why each is beneficial.

Well written! Good try! Check the sample answer below.

Sample answer

Hi [Roommate's Name], I'm really looking forward to you moving in! To ensure we both have a comfortable living environment, I wanted to chat about a few hygiene habits. Firstly, regularly cleaning up after cooking, including washing dishes promptly, prevents pest issues and keeps the kitchen pleasant. Secondly, wiping down common surfaces like bathroom counters after use helps maintain overall cleanliness. Finally, proper waste disposal, such as emptying bins when full, contributes to a fresh and healthy shared space.

正解! おしい! 正解:
writing B2

Discuss the broader societal impact of poor hygiene in a densely populated urban area. Consider at least two specific consequences.

Well written! Good try! Check the sample answer below.

Sample answer

Poor hygiene in densely populated urban areas can have significant societal repercussions. One major consequence is the rapid spread of infectious diseases. Without adequate sanitation and personal hygiene practices, pathogens can quickly transmit through communities, leading to widespread illness and overwhelming healthcare systems. Another impact is environmental degradation; improper waste disposal and lack of public cleanliness contribute to pollution, attracting pests, and creating unhealthy living conditions that affect everyone's quality of life.

正解! おしい! 正解:
reading B2

What is the main idea of the passage?

Read this passage:

In many cultures, the concept of hygiene extends beyond personal cleanliness to encompass spiritual purity. Ritualistic washing before prayer, specific dietary restrictions, and practices related to the preparation and consumption of food are often deeply intertwined with religious beliefs and societal norms. These practices, while rooted in tradition, frequently offer practical benefits in terms of preventing illness and maintaining public health.

What is the main idea of the passage?

正解! おしい! 正解: Cultural hygiene goes beyond personal cleanliness and has practical benefits.

The passage discusses how hygiene in many cultures includes spiritual purity, ritualistic washing, and dietary restrictions, and explicitly states that these practices often offer practical benefits in terms of preventing illness and maintaining public health. This encompasses all the elements mentioned.

正解! おしい! 正解: Cultural hygiene goes beyond personal cleanliness and has practical benefits.

The passage discusses how hygiene in many cultures includes spiritual purity, ritualistic washing, and dietary restrictions, and explicitly states that these practices often offer practical benefits in terms of preventing illness and maintaining public health. This encompasses all the elements mentioned.

reading B2

What was a significant consequence of poor public hygiene infrastructure in historical cities?

Read this passage:

The evolution of public hygiene infrastructure, such as sewage systems and clean water supplies, has been a cornerstone of modern public health. Prior to these advancements, cities were often plagued by diseases like cholera and typhoid, which spread rapidly due to unsanitary conditions. The implementation of robust public hygiene measures dramatically improved life expectancy and overall community well-being, demonstrating a clear link between environmental hygiene and population health.

What was a significant consequence of poor public hygiene infrastructure in historical cities?

正解! おしい! 正解: Rapid spread of diseases like cholera and typhoid.

The passage explicitly states that 'cities were often plagued by diseases like cholera and typhoid, which spread rapidly due to unsanitary conditions' before advancements in public hygiene infrastructure.

正解! おしい! 正解: Rapid spread of diseases like cholera and typhoid.

The passage explicitly states that 'cities were often plagued by diseases like cholera and typhoid, which spread rapidly due to unsanitary conditions' before advancements in public hygiene infrastructure.

reading B2

According to the passage, what is considered the most effective handwashing technique?

Read this passage:

While the importance of hand hygiene is widely recognized, the effectiveness of various handwashing techniques can differ. Studies have shown that washing with soap and water for at least 20 seconds is significantly more effective at removing germs than simply rinsing hands with water. Furthermore, the use of alcohol-based hand sanitizers (with at least 60% alcohol) can be a good alternative when soap and water are unavailable, though they may not be effective against all types of germs.

According to the passage, what is considered the most effective handwashing technique?

正解! おしい! 正解: Washing with soap and water for at least 20 seconds.

The passage states that 'washing with soap and water for at least 20 seconds is significantly more effective at removing germs than simply rinsing hands with water.'

正解! おしい! 正解: Washing with soap and water for at least 20 seconds.

The passage states that 'washing with soap and water for at least 20 seconds is significantly more effective at removing germs than simply rinsing hands with water.'

listening C1

Focus on the medical context.

正解! おしい! 正解: The hospital strictly enforces rigorous hygiene protocols to prevent nosocomial infections and safeguard patient well-being.
正解! おしい! 正解:
listening C1

Consider the broader impact of personal hygiene.

正解! おしい! 正解: Despite advancements in public health, maintaining adequate personal hygiene remains a cornerstone of disease prevention, especially in densely populated urban areas.
正解! おしい! 正解:
listening C1

Think about hygiene in a professional food setting.

正解! おしい! 正解: The chef emphasized that impeccable kitchen hygiene is paramount, not only for regulatory compliance but also for upholding the establishment's reputation for culinary excellence.
正解! おしい! 正解:
speaking C1

Read this aloud:

Discuss the ethical implications of mandatory public health initiatives aimed at improving community hygiene.

Focus: ethical implications

正解! おしい! 正解:
speaking C1

Read this aloud:

Explain how cultural norms and socio-economic factors can influence an individual's perception and practice of hygiene.

Focus: socio-economic factors

正解! おしい! 正解:
speaking C1

Read this aloud:

Analyze the role of technological innovations in enhancing hygiene practices in contemporary society.

Focus: technological innovations

正解! おしい! 正解:
multiple choice C2

Which of the following scenarios best exemplifies meticulous personal hygiene practices?

正解! おしい! 正解: A

Meticulous personal hygiene involves proactive measures to reduce germ spread, such as regular sanitization. The other options describe practices that are contrary to good hygiene.

multiple choice C2

A breakdown in public hygiene infrastructure, such as inadequate waste disposal systems, can precipitously lead to:

正解! おしい! 正解: C

Inadequate waste disposal, a facet of public hygiene, directly contributes to the spread of communicable diseases by creating environments conducive to pathogen growth. The other options are either incorrect or describe outcomes contrary to a breakdown in hygiene.

multiple choice C2

The concept of 'environmental hygiene' primarily pertains to:

正解! おしい! 正解: B

Environmental hygiene encompasses broader public health efforts related to managing external factors like waste, water, and air to prevent disease. Personal hygiene is a subset, and the other options are too narrow or misinterpret the concept.

true false C2

Adhering to stringent hygiene protocols in culinary environments is solely about preventing food spoilage, not about safeguarding consumer health.

正解! おしい! 正解: 間違い

Stringent hygiene protocols in culinary environments are crucial for both preventing food spoilage and, more importantly, safeguarding consumer health by preventing foodborne illnesses.

true false C2

The historical evolution of hygiene practices is primarily characterized by a uniform and consistent global adoption of sanitary standards.

正解! おしい! 正解: 間違い

The historical evolution of hygiene practices is marked by significant cultural, regional, and temporal variations, with a far from uniform or consistent global adoption of sanitary standards throughout history.

true false C2

In a post-pandemic world, the emphasis on robust hand hygiene has become a vestigial practice, largely superseded by advanced pharmaceutical interventions.

正解! おしい! 正解: 間違い

In a post-pandemic world, robust hand hygiene remains a foundational and critically important practice for disease prevention, complementing rather than being superseded by pharmaceutical interventions.

listening C2

Consider the context of preventing hospital-acquired illnesses.

正解! おしい! 正解: The meticulous adherence to stringent hygiene protocols is paramount in preventing iatrogenic infections within healthcare facilities.
正解! おしい! 正解:
listening C2

Think about the difficulties in encouraging good hygiene practices.

正解! おしい! 正解: Despite significant advancements in public health, the promotion of personal hygiene remains a formidable challenge in certain underserved communities.
正解! おしい! 正解:
listening C2

Focus on the relationship between wealth, poverty, and hygiene.

正解! おしい! 正解: The socio-economic disparities often correlate with varying levels of access to resources essential for maintaining adequate hygiene standards.
正解! おしい! 正解:
speaking C2

Read this aloud:

Discuss the ethical implications of mandatory hygiene regulations in public spaces, considering individual freedoms versus collective well-being.

Focus: ethical implications, mandatory hygiene regulations, individual freedoms, collective well-being

正解! おしい! 正解:
speaking C2

Read this aloud:

Elaborate on the historical evolution of hygiene practices and their impact on societal development and disease control.

Focus: historical evolution, hygiene practices, societal development, disease control

正解! おしい! 正解:
speaking C2

Read this aloud:

Critically analyze the efficacy of current global initiatives aimed at improving hygiene in developing countries, citing challenges and potential solutions.

Focus: critically analyze, efficacy, global initiatives, developing countries, challenges, potential solutions

正解! おしい! 正解:
sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: Meticulous adherence to personal hygiene is paramount in curtailing the proliferation of contagious pathogens.

This sentence emphasizes the critical role of strict personal hygiene in preventing the spread of infectious agents.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The societal implications of suboptimal hygiene practices can be profound, manifesting as public health crises.

This sentence discusses the far-reaching consequences of poor hygiene on a societal level, potentially leading to widespread health issues.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: Despite advancements in medical science, the fundamental principles of hygiene remain a cornerstone of preventive healthcare.

This sentence highlights the enduring importance of basic hygiene principles even with modern medical progress, positioning them as essential for preventative health.

/ 48 correct

Perfect score!

関連コンテンツ

medicineの関連語

physician

A1

A physician is a person who is trained and licensed to practice medicine. They examine patients, diagnose illnesses, and provide treatments to help people stay healthy.

spleen

A1

胃の近くにある小さな臓器だよ。血液をきれいにしたり、病気と戦うための免疫機能を助けたりする役割があるんだ。

mental health

A1

メンタルヘルスとは、あなたの感情や考え方のことで、身体の健康と同じくらい大切です。

operation

A1

A medical process where a doctor cuts into a person's body to fix or remove a part. It usually happens in a hospital to help a patient get better.

transfusion

A1

A transfusion is a medical process where blood or other fluids are added into a person's body. It is usually done using a tube and needle to help patients who have lost blood due to injury or surgery.

paramedic

A1

A paramedic is a person trained to give emergency medical care to people who are seriously ill or injured. They usually work in ambulances and help patients before they reach a hospital.

screening

A1

A screening is a medical test or check-up to find a disease or health problem early. It is often done for people who do not have any symptoms yet.

neurologist

A1

脳や神経、脊髄の病気を専門に診る医師だよ。頭痛やしびれ、記憶の悩みなどを相談するんだ。

wheelchair

A1

車椅子は、歩くことが困難な人が移動するために使う、車輪のついた椅子です。

chemotherapy

A1

A medical treatment that uses powerful chemicals to kill fast-growing cells in the body, most commonly used to treat cancer. It works by stopping or slowing the growth of cancer cells, which grow and divide quickly.

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