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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 of the new genes date back to the ancient origin of mammals, according to the researchers. They suspect…  read on >  read on >

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 the 1990s to recent years. Researchers found that one-quarter of young adults were estranged from their fathers at…  read on >  read on >

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 to illegally made fentanyl mixed with other drugs, said study author Lauren Tanz, an epidemiologist at the U.S.…  read on >  read on >

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. Her tone is filled with gratitude. Awe. Contemplation. Thoughtfulness. Sorrow. Exuberance. The overwhelming feeling that someone else –…  read on >  read on >

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 country have reported seeing more dangerous strep A infections in recent weeks, leading federal officials to launch an…  read on >  read on >

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 are appealing to teens, among other problems. Commissioned by FDA chief Dr. Robert Califf this summer, the review…  read on >  read on >

Doctors are notorious for criticizing patients who don’t take medications as prescribed. But physicians and their families are themselves less likely than everyone else to comply with medication guidelines, a new, large-scale study has found. People tend to adhere to medication guidelines about 54% of the time, while doctors and their families lag about 4…  read on >  read on >

Red may be a traditional holiday color, but no one wants to wear it on their teeth. An expert offers some tips for keeping “wine teeth” at bay during your holiday parties. “When you drink red wine, you’re encountering a triple threat to your teeth’s whiteness: anthocyanins, which are the pigments in grapes that give…  read on >  read on >