Dozens of people in the United States have caught bird flu from animals this year, but there's no evidence that the viral disease has spread from one person to another. However, a single mutation in ...

Scientists have traced a devastating pattern of brain cell loss in a handful of families to a single, ultra-rare mutation that sabotages one of the brain’s key protective enzymes. The discovery not ...

Many people are familiar with histamine, a biological molecule that serves as a key driver of allergic reactions and other ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

For most of us, a good night's sleep means seven to nine hours of rest. But for a rare group of people, just four hours is more than enough, and they wake up feeling sharp, refreshed, and energized.

New research reveals that certain brain tumors may originate silently within normal brain cells long before a tumor forms.

Scientists in Western Australia have found a tree frog which is bright blue, rather than the usual green, due to a rare genetic mutation. The blue magnificent tree frog was spotted in the Charnley ...

A single modification in the protein found on the surface of the highly pathogenic avian influenza (HPAI) H5N1 influenza virus currently circulating in U.S. dairy cows could allow for easier ...

Many an orange cat-affiliated human will vouch for their cat's, let's say, specialness. But now scientists have confirmed that there is, in fact, something unique about ginger-hued domestic felines.