Some visible signs of aging include wrinkled skin; gray or white hair; and dark patches, called age spots, on the hands and ...

Children can come into contact with lots of different types of rashes; some can be mild and harmless, while others can be serious and potentially life-threatening. Either way, spotting a rash on a ...

New study uncovers how cellular aging spreads through tissues, and how blocking a single protein might slow the process.

A growing outbreak of Legionnaires’ disease in New York is raising urgent public health concerns as health officials confirm around 60 cases in the area.

Chinese authorities have taken action to curb the spread of chikungunya, a virus causing fever and joint pain.

COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

An outbreak of Legionnaires’ disease in New York City has killed two people and sickened 58 since late July.

A devastating bacterium has decimated populations of sunflower sea stars, predators that play a crucial role in their ...

Several states have reported higher than normal cases of Vibrio vulnificus, a bacterium found in coastal waters.

Several states have reported higher than usual numbers of hospitalizations and deaths in 2025 from Vibrio vulnificus. Learn ...

Tick bites hit highest levels since 2017 as Lyme disease cases rise due to climate change and expanding tick habitats. Learn about prevention and risks.