Environmental factors like maternal smoking and lead exposure interact with genetic vulnerabilities, increasing the risk for ADHD in children.

When my middle school class read Tuck Everlasting, the novel about a girl who befriends a family who drank from a magical stream and gained eternal life, I was conflicted. The moral of the story was ...

Nature and nurture both determine how likely you are to develop a particular disease. Hiroshi Watanabe/DigitalVision via Getty Images Sitting in my doctor’s examination room, I was surprised when she ...

The human microbiome is essential for good health. It affects digestion, immune system activity, and how the body regulates metabolism. The gut microbiota is a complex community of microorganisms, ...

Genetics play a role in how long you live, but they only account for a small part of the picture. Daily habits like eating well, staying active, getting enough sleep, and managing stress have a bigger ...

An estimated 170,000 Australians were diagnosed with cancer in 2025. Many people know the causes of cancer are partly genetic. But how do your genes, which contribute so much of what makes you you, ...

How much do your genes and upbringing determine your success? A landmark Norwegian study untangles the complex interplay between genetics, family, and social policies in shaping who thrives. Study: ...

Professor of Molecular, Cellular and Developmental Biology Sofie Salama. Photos by Carolyn Lagattuta A new award from the California Institute for Regenerative Medicine (CIRM) will support a team of ...

A new study has found important clues about the roles age, sex, hormonal changes and genetics play in how certain biomarkers for dementia are expressed in the blood, according to a new study. "Blood ...

An individual’s genetics and their environment both shape their personality. However, opinions differ on the degree to which each of these factors influences personality, and how they contribute to ...