Genetics

Newly mapped genes may hold keys to ADHD

Millions of American kids with attention-deficit/hyperactivity disorder (ADHD) may have a genetic vulnerability to the disease, a new study suggests.

Genetics

Vitamin B12 deficiency: Tracking the genetic causes

Vitamin B12 is essential to human health. However, some people have inherited conditions that leave them unable to process vitamin B12. As a result they are prone to serious health problems, including developmental delay, ...

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