All Sauce from Weekly Sauce:

Travelers to the United States will now only need a single bivalent COVID vaccine from either Pfizer or Moderna to enter the country, the U.S. Centers for Disease Control and Prevention announced Thursday. The loosening of vaccination requirements for foreign travelers comes as many other countries have already done so. “Because some traveler vaccine records…  read on >  read on >

Getting bariatric surgery may help someone lose weight and reduce their risk for obesity-related cancers by more than half. New research to be presented at a conference of the American Gastroenterological Association (AGA) found that patients who had sleeve gastrectomy, gastric bypass or gastric band procedures developed less obesity-related cancer over a 10-year follow-up period.…  read on >  read on >

Hair relaxers may slightly affect fertility, a factor most likely to impact women who are Black or Hispanic, according to a new study. Research led by Boston University School of Public Health found that these chemical hair straighteners may affect a person’s ability to become pregnant. This builds on growing evidence about the effects on…  read on >  read on >

America’s teens are still not alright. Instead, many continue to engage in risky behaviors, U.S. health officials reported Thursday. Top among these is an increase in suicidal thoughts and suicide planning and attempts among teen girls, according to a new study from the U.S. Centers for Disease Control and Prevention. However, rates among teen boys…  read on >  read on >

Selfie shots might seem shallow but they’re actually serving a deeper psychological purpose, a new study suggests. So-called “third-person” photos — shots taken to include the photographer, such as selfies or group shots — are better at depicting the deeper meaning of an event in a person’s life, by showing them actively participating in that…  read on >  read on >

Fewer U.S. adults are smoking cigarettes, as rates dropped again last year, according to federal health officials. In all, 1 in 9 American adults smoked cigarettes last year, an all-time low, and a significant change from the 1960s when 42% smoked. The results weren’t all positive, the Associated Press reported, as vaping rose to about…  read on >  read on >