All Sauce from Weekly Sauce:

If you’re thinking about getting a device to help you sleep better, an expert offers some advice. Sleep-tracking devices range from those that record how much you sleep to those that monitor your sleep stages, but it can be difficult to know if they’ll provide good results and useful information. “Because these devices record wake…  read on >  read on >

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 >