Researchers think they’ve figured out why people can become reinfected with COVID-19, despite immunity gained from either vaccination or a previous infection. It turns out that antibodies produced in the nose — the first line of defense...

WEDNESDAY, Dec. 21, 2022 (HealthDay News) – Cold, dry winter air and a trio of spreading viruses could cause children’s asthma to flare up this winter season. But experts at one children’s hospital offer some tips to...

Groups of whales, dolphins and porpoises are regularly stranded in shallow waters around the coasts of the United Kingdom. Researchers wanted to understand why, so they studied the brains of 22 toothed whales — or “odontocetes” —...

Humans have continued to evolve after splitting from chimpanzee ancestors nearly 7 million years ago, according to a new study that found 155 new genes unique to humans that suddenly arose from tiny sections of DNA. Some...

Imagine living day-to-day with one hand that feels like it’s a baseball mitt, or another that feels like a small clutching claw. That’s the experience of many stroke survivors who suffer from chronic pain, according to a...

Many young U.S. adults are estranged from their parents, at least temporarily — with the father/child bond being especially fragile. Those are among the findings of a new national study that tracked thousands of parent-child relationships from...

Deaths of teens from drug overdoses soared starting in late 2019, and though they appear to be on the decline, they remain much higher than in 2019, U.S. health officials report. Most of these deaths are due...

TUESDAY, Dec. 20, 2022 (American Heart Association News) — Even now, years later, Linda Jara’s voice resonates with notes that can only be fully appreciated by certain people – people like her who carry someone else’s heart....

The U.S. Centers for Disease Control and Prevention is looking into a possible increase in invasive group A strep bacterial infections among children in the United States. A number of children’s hospitals in different parts of the...

The U.S. Food and Drug Administration’s tobacco unit is “reactive and overwhelmed,” an expert panel reviewing its work reported Monday. In addition, the panel blamed the FDA’s inconsistent regulation efforts for the spread of unauthorized e-cigarettes that...