Public health experts and professional health care associations have expressed concern that the guidance goes against research on the vaccine’s benefits in pregnancy.

Your skin creates a chemical cloud that can affect the air you breathe. Products like lotion and perfume can inhibit that cloud.

Fluoride in drinking water has become a highly charged topic. An expert digs into the debate.

Scientists have discovered a new type of immune defense in E. coli bacteria that turns viral infection machinery against the virus itself.

Researchers also found these effects can be reversed by treatment with an antioxidant.

Even small lifestyle changes – such as more social interaction and a better diet – can help reduce stress.

Opioid deaths are still high and chronic pain is widespread. Researchers hope a new class of non-addictive drugs can change things.

"I think simplicity is the key when we talk about implementation of heart failure medications in clinical practice."

The majority of children’s diets in the US consist of ultraprocessed foods, which a growing body of research suggests can lead to metabolic diseases and other conditions.

Women’s stories of seeking abortions later in pregnancy highlight what’s missing from the current conversation about abortion policies in the US.