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B1 Intermédiaire Anglais 9:15 Educational

Milk. White Poison or Healthy Drink?

Kurzgesagt · 22,902,603 vues · Ajouté il y a 3 semaines

Statistiques d apprentissage

B1

Niveau CECRL

5/10

Difficulté

Sous-titres (122 segments)

00:00

Over the last decade, milk has become a bit controversial.

00:04

Some people say it's a necessary and nutritious food, vital for healthy bones,

00:10

but others say it can cause cancer and lead to an early death.

00:13

So, who's right?

00:15

And why are we drinking it anyway?

00:19

[Intro music]

00:25

Milk is the basis of every mammal's diet after birth,

00:29

when our digestive systems are immature and small.

00:33

Basically, it's power food to kick-start our bodies and help us grow.

00:37

Milk is rich in fat, vitamins, minerals, and milk-sugar: lactose.

00:43

On top of that, for a while after birth, it also contains antibodies and proteins

00:48

that protect us from infections and regulate our immune system.

00:52

But it's a lot of effort for mothers to produce.

00:55

Eventually, humans stop drinking mother's milk

00:58

and transition to the diet of their parents.

01:00

This is how it's been for thousands of years.

01:04

Until about eleven thousand years ago,

01:06

when our ancestors settled down in the first agricultural communities.

01:10

Soon, they domesticated the first dairy animals:

01:13

goats, sheep, and cattle.

01:16

They found that dairy animals are able to eat useless and abundant stuff

01:20

and turn it into nutritious and tasty food.

01:23

This made a huge difference in terms of survival,

01:26

especially in hard times.

01:28

So groups that had milk available had an evolutionary advantage.

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