Kathleen Lees

Eating fish during pregnancy may be good for a baby's brain, a new study finds.

Should you be screened for depression? Here's new advice.

Many people would face the lowest risk of dying if their BMI was 26 -- which is considered overweight, new research suggests.

Progesterone supplements do not lower the risk of miscarriage in women who have suffered from repeated miscarriages in the past, a new study finds.

Eating walnuts might improve your metabolic health, a new study suggests.

Do high-fructose corn syrup and sugar have the same effects on human health? A lawsuit is now considering the question. Here's what the science says.

A new technology that edits the genes within a cell was used recently to treat a baby with leukemia. The treatment may one day be used to treat other types of cancers, experts say.

Only a few outbreaks of illness related to food yearly spread beyond a single state. But the outbreaks that affect people in multiple states account for a higher number of deaths, a new report finds.

If you want to lose weight, a low-fat diet is no better than a higher-fat diets with the same amount of calories, a new study finds.

People who have 11 or more moles on one of their arms could have a higher risk of the deadly skin cancer melanoma, according to a new study.

It's possible that people could spread Ebola many months after they have recovered from the deadly viral disease, a new study suggests.

Anxiety tends to run in families. Now, researchers say they may have found a way to help these families.

Women's risk of breast cancer may be linked a virus called bovine leukemia virus, a new study finds.