Scientists may have discovered one of the causes of autism.

Although the results are striking, they come from animal experiments and do not constitute direct evidence in humans. Even so, they raise important hypotheses:

• Factors such as diet, antibiotic use, or stress levels during pregnancy could modify the microbiota and affect the fetal brain.

• Future therapies based on probiotics or anti-inflammatory strategies could help reduce the risk of ASD in families with a history of the condition.

Frequently Asked Questions

Does the mother’s gut microbiota cause autism?
A correlation has been observed in animals, but it has not yet been confirmed in humans.

Do probiotics during pregnancy prevent autism?
There is insufficient clinical evidence. Any supplement should be recommended by a healthcare professional.

Is IL-17A always dangerous?
No. It plays an important role in defending against infections. The problem arises when it remains elevated during critical stages of fetal development.

How to take care of your gut microbiota before pregnancy?
A diet rich in fiber, moderate consumption of yogurt or kefir, reducing ultra-processed foods, and stress management help maintain bacterial balance.

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