All Sauce from Weekly Sauce:

Supply chain problems are causing significant shortages of baby formula in the United States, and some retailers are now limiting how much people can buy at one time. About three-quarters of U.S. babies receive formula within their first six months, but it’s getting more difficult to find. About 29% of the top-selling baby formula products…  read on >  read on >

With the advent of smartphones came the rise of selfies, shared daily by “like”-seeking millions across social media. But a small new study suggests that, unlike photos taken with regular cameras, smartphone selfies distort facial features in a not-so-flattering way. And those unappealing — if inaccurate — results may be fueling a hankering for plastic…  read on >  read on >

If you’re vaccinated and get COVID-19 anyway, which variant you have and whether you’ve been boosted make a difference. Symptoms last longer when breakthrough infections are caused by the Delta variant and not the more contagious Omicron variant, according to European researchers who are reporting other differences in how SARS-CoV-2 variants affect vaccinated patients. They…  read on >  read on >

Two-thirds of U.S. community water systems have detectable levels of uranium, and the highest levels are in Hispanic communities, according to a new study. “Previous studies have found associations between chronic uranium exposure and increased risk of hypertension, cardiovascular disease, kidney damage and lung cancer at high levels of exposure,” said researcher Anne Nigra, assistant…  read on >  read on >

Insomnia is widespread in heart disease patients and significantly boosts the risk of heart attack, stroke or other major heart event, a new study says. The findings show the need to check for and treat sleep problems in heart disease patients, according to researchers. “Our study indicates that insomnia is common in heart disease patients…  read on >  read on >

When implanted heart devices get infected, doctors recommend surgery to remove them, but many patients ignore that advice, a new study reveals. More than eight in 10 patients with an infected implant (such as a defibrillator or pacemaker) choose antibiotic treatment instead, though it puts their life at risk. Having the devices removed carries a…  read on >  read on >

Alzheimer’s patients are often drowsy during the day, but it might not be because of poor sleep at night. Instead, a clinical trial that monitored patients’ sleep and then studied their brains after death discovered an entirely different reason for such sleepiness — they suffer a loss of neurons that help keep a person awake.…  read on >  read on >