The length of your monthly menstrual cycle may provide clues about the severity of symptoms you’ll experience during menopause and when it will start, new research suggests. In this study of more than 600 women, researchers found that women with short menstrual cycles (less than 25 days) during their reproductive years were likely to experience…  read on >  read on >

A rule requiring high school girls who play lacrosse to wear protective headgear is paying big dividends in Florida. Their risk of concussion is lower than that of players in states without such a mandate, a new study reports. Most states let players decide whether or not to wear protective helmets. The National Federation of…  read on >  read on >

After testing negative for COVID-19 and leaving isolation last Sunday, First Lady Jill Biden again tested positive for the virus on Wednesday. “After testing negative on Tuesday, just now, the First Lady has tested positive for COVID-19 by antigen testing,” the First Lady’s Deputy Communications Director Kelsey Donohue said in a statement. “This represents a…  read on >  read on >

Fecal transplant treatments could infect patients with monkeypox, the U.S. Food and Drug Administration has warned. Since May, an outbreak of monkeypox has been spreading in multiple countries, including the United States. Nearly 16,000 people in the United States have already been infected with the virus, which is transmitted through close physical contact with symptomatic…  read on >  read on >

Pfizer’s modified COVID-19 vaccine for use in children under 5 was 73% effective in shielding them from infection during the Omicron surge this spring, company data released Tuesday shows. The specially formulated doses for America’s youngest children were approved for distribution in June, although the American Academy of Pediatrics says uptake has been low. Just…  read on >  read on >