Genetics

Obesity gene testing offers psychological benefit

(HealthDay)—Results from genetic testing for weight gain-related genes may offer psychological benefits beyond their limited clinical utility, according to a study published in the July issue of the Journal of Genetic Counseling.

Health

Q&A: Can a supplement help you sleep?

DEAR MAYO CLINIC: I often struggle to fall asleep at night, and then I have difficulty staying asleep. This pattern tends to occur more in the springtime. A friend suggested I try melatonin. Are there any side effects to ...

Neuroscience

Concussions and head impacts may accelerate brain aging

Concussions and even lesser head impacts may speed up the brain's natural aging process by causing signaling pathways in the brain to break down more quickly than they would in someone who has never suffered a brain injury ...

Health

A healthy teenager is a happy teenager

Teenagers who turn their backs on a healthy lifestyle and turn to drink, cigarettes and junk food are significantly unhappier than their healthier peers. New research also shows that 12-13 is a catalyst age when young people ...

Oncology & Cancer

Americans confused about cancer risks

(HealthDay)—Fewer than half of Americans are aware that some major lifestyle factors can affect their cancer risk, a new survey suggests.

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