Other

Testes size correlates with men's involvement in toddler care

Men with smaller testes than others are more likely to be involved in hands-on care of their toddlers, a new study conducted by anthropologists at Emory University finds. The Proceedings of the National Academy of Sciences ...

Attention deficit disorders

What's the difference between ADD and ADHD?

Around 1 in 20 people has attention-deficit hyperactivity disorder (ADHD). It's one of the most common neurodevelopmental disorders in childhood and often continues into adulthood.

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