All Sauce from Weekly Sauce:

The U.S. Food and Drug Administration on Thursday authorized the sale of the country’s best-selling e-cigarette. The agency’s decision only applies to several tobacco-flavored versions of the reusable product, sold as Vuse. In January 2023, the FDA rejected R.J. Reynold’s application for its more popular menthol flavor, but the company has challenged that ruling in…  read on >  read on >

Pudgy with a purpose: Fat cats could help humans better understand the way gut bacteria influences conditions like obesity and type 2 diabetes, a new study claims. Food-related changes in obese cats’ gut microbiome have striking similarities to the way diet affects the gut of humans, researchers reported recently in the journal Scientific Reports. As…  read on >  read on >

Cancer growth can be fueled by flecks of ancient viral DNA lodged into the genetics of modern humans, a new study says. Overall, about 8% of the human genome is made of bits of DNA left behind by viruses that infected our primate ancestors, researchers say. Called “endogenous retroviruses,” these DNA fragments have long been…  read on >  read on >

Boredom is the key emotion behind most teens’ use of Instagram, a new study says. Teens open the app because they’re bored, then sift through its contents looking for interesting bits to relieve their boredom, researchers report. Then, bored by slogging through the site’s “content soup,” the teens log off, researchers found. “We saw teens…  read on >  read on >

Looking for a brand new smile? Many people with chipped, worn or indelibly stained teeth may ponder the possibility of veneers. They’re wholly cosmetic, typically aren’t covered by dental insurance and can cost thousands of dollars, so it’s best to understand veneers well before you embark on getting them. Experts at the Cleveland Clinic define…  read on >  read on >