Genetics

There is no 'gay gene,' major study concludes

There's no such thing as a single "gay gene" that drives a person's sexual behavior, concludes the largest genetic study ever conducted on the issue.

Autism spectrum disorders

There's no evidence caesarean sections cause autism or ADHD

A new study that combines data from over 20 million births has found that a cesarean section delivery is associated with autism spectrum disorder (autism) and attention-deficit hyperactivity disorder (ADHD).

Pediatrics

What we don't know about prenatal opioid exposure

Pregnancy can be a time of anxious uncertainty, particularly if there are any risks of complications. The question always arises, from parents, grandparents, friends and others: "Will the baby be OK?"

Psychology & Psychiatry

Intelligence can link to health and aging

For over 100 years, scientists have sought to understand what links a person's general intelligence, health and aging. In a new study, a University of Missouri scientist suggests a model where mitochondria, or small energy ...

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