Cross-species transplants require us to examine the relationships between humans and animals. (Shutterstock)At the end of 2021, 57-year old David...

Hormone replacement therapy can help women manage menopause symptoms. Image Point Fr/ ShutterstockMany women expect hot flushes, dry skin and...

Happy Auer/ShutterstockThere have been widespread calls for a global ban on the sale and consumption of wild meat. Following the...

A Shanghai refuse worker shows the strain of the month-long COVID lockdown. ShutterstockMore than two years after a deadly strain...

Only a small amount of fentanyl is enough to be lethal. AP Photo/Jacquelyn MartinBuying drugs on the street is a...

Social media sites like Twitter have been a major source of both true and false information regarding COVID-19 vaccines. MicroStockHub/iStock...

Irina Bg/ShutterstockScientists at the University of California, San Diego, have developed a smartphone app that can detect early signs of...

High insulin prices are leaving some people who need the drug without access. Erik McGregor/LightRocket via Getty ImagesDoctors have been...

ADHD wasn't recognized as a condition that can have profound effects on adults until the 1990s. SIphotography/iStock via Getty Images...

The headstone of Father Damien, a Catholic saint who was canonized in 2009. Richard A. Cooke III/Corbis Historical via Getty...