Deadly opioid overdoses are still on the rise in the United States, according to the Centers for Disease Control and Prevention (CDC). Here's what you should know.

Your four-legged friend might be helping your mental health, according to a new study.

Even smoking an average of one cigarette or less per day may increase your risk of dying earlier, a new study found.

Children with a family risk of depression may show certain symptoms before the onset of their depression, a new study found.

The Centers for Disease Control and Prevention has declared lack of sleep a public health problem — and it's a problem that may cost the economy billions of dollars each year.

Smoking is dangerous for people of all ages, but younger people who smoke may face higher health risks, a new study found.

Getting less sleep may be tied to drinking more sugar-sweetened beverages (SSBs), according to a new study.

Vaping may be just the beginning of some teens' nicotine use, according to a new study.

Your smartphone may keep you up to date with your friends and the latest news, but it may also just keep you up at night, a new study found.

Medications used to treat conditions like psoriasis and rheumatoid arthritis may also be able to treat depression symptoms, a new study found.