For the first time in more than three decades, the United States did not take part in World AIDS Day on December 1, a major change from past years when the day was used to raise awareness about HIV/AIDS and honor the millions of people lost to the disease.

World AIDS Day has been observed globally since 1988. Around the world, 39.9 million... Full Page

A severe mosquito-borne virus outbreak in Cuba has led to dozens of deaths since midsummer, including many young children, health officials there have reported.

Cuba’s deputy health minister, Carilda Peña, said on state TV that 33 people have died from chikungunya and dengue since July. Twenty-one of the deaths were in childre... Full Page

A routine shingles shot may do more than prevent a painful rash. It could also support long-term brain health, new research shows.

In a study published Dec. 2 in the journal Cell, Stanford University researchers found that adults who received the shingles vaccine were less likely to develop early memory and thinking problems.

The White House released new medical information about President Donald Trump on Monday, saying recent imaging tests showed he is in “excellent overall health.”

But some medical experts say the notice raised more questions than answers.

In a short memo, Dr. Sean Barbabella, the president’s physician, said the tests... Full Page

Cosmetic fillers are meant to enhance a person’s beauty, but can cause damage and deformity if applied incorrectly.

However, ultrasound scans can help doctors prevent these ugly side effects by precisely guiding treatment to dissolve poorly placed fillers that are blocking blood vessels, according to findings presented Wednesday at t... Full Page

A bad psychedelic trip might have long-term consequences for a person’s mood, researchers say.

Folks who land in the hospital due to hallucinogens are six times more likely to be diagnosed with mania within a few years, according to results published Dec. 2 in the journal PLOS Medicine.

“Our study showed a strong... Full Page