If you or someone you know has suffered a concussion, a medical evaluation is crucial, an expert says.

A concussion is "a short-lived functional brain injury typically caused by a bump or blow to the head," Cleveland Clinic con...

A growing number of pregnant women are using marijuana or other cannabis products, and a new study suggests that relief of symptoms such as morning sickness may be a primary reason.

In recent years, studies have documented a rise in cannabis use during pregnanc...

Patients who undergo surgery for certain types of cancer may have better short-term survival if they receive a particular anti-nausea drug, a preliminary study suggests.

Among more than 74,000 patients who had cancer surgery, researchers found that those who received the drug -- called dexamethasone -- were less likely to die in the next 90 days.

The vast majority of all patients su...

As legal use of marijuana expands, experts say U.S. cancer patients are still far less likely to use it than the general population.

That's the key finding from a new study based on data on smoking habits -- both tobacco and pot -- collected from nearly 20,000 people between 2013 and 2018. Several U.S. states legalized recreational pot during that time.

Over the period, reported ma...