While lifestyle choices, including diet and activity level, play an important role in a person’s risk of obesity, genetics can also shape natural tendencies toward weight gain or loss. In fact, genes ...

Emily Kramer-Golinkoff can’t get enough oxygen with each breath. Advanced cystic fibrosis makes even simple things like walking or showering arduous and exhausting. She has the most common fatal ...

This photo provided by Emilys Entourage in April 2025 shows Emily Kramer-Golinkoff, who has cystic fibrosis caused by a rare genetic mutation, during a trip to Maine. (Emilys Entourage via AP) ...

A new study suggests that the long-standing Mendelian view of genetics has some blind spots.

(Daniel Day/The Image Bank/Getty Images) When someone scrapes their nails down a chalkboard, many of us might feel ...

Emily Kramer-Golinkoff can’t get enough oxygen with each breath. Advanced cystic fibrosis makes even simple things like walking or showering arduous and exhausting. She has the most common fatal ...