Food for thought: How your belly controls your brain

Max points: 5 Type: TEDx Talk

This talk explores the fascinating concept of the gut as our “second brain,” highlighting how microbes influence emotions, health, and disease. It connects history, science, and modern research, offering insights into how diet, lifestyle, and microbial balance can improve well-being and prevent chronic illness.

Channel: TEDx Duration: 0:14:30

Questions

1. What type of diet did Metchnikov associate with longevity in Eastern Europe?

Meat-heavy diet High protein diet Low-fat vegetarian diet Bacterial-fermented milk consumption

2. What did Ilya Mechnikov drink during a cholera outbreak to study its effects?

Antibiotic mixture Fermented milk A broth of cholera Alcohol solution

3. What discovery led the speaker to describe the gut as a 'second brain'?

It produces red blood cells It stores genetic material It has 100 million neurons It controls body temperature

4. Which factor increases health risks because babies miss exposure to birth canal microbes?

Vaccinations Antibiotic treatment Premature birth C-sections

5. What percentage of serotonin, the 'natural antidepressant,' is produced in the intestines?

70% 90% 10% 50%

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