All Sauce from Weekly Sauce:

Care about your kid’s well being? Then best not give them a smartphone until they’re a full-fledged teenager, a major new study says. Kids given a smartphone when they were younger than 13 tend to have poorer mental health and well-being, researchers report in the Journal of Human Development and Capabilities. Specifically, people between 18…  read on >  read on >

GI cancers among people 50 and younger are rising at an alarming rate, increasing in the U.S. faster than any other type of early onset cancer, according to a pair of new studies. Cancers of the colon, stomach and esophagus have all increased in recent years, threatening the health of younger Americans, researchers say. Between…  read on >  read on >

A new egg study has produced sunny-side-up results for the oft-maligned breakfast staple. Eggs are commonly thought to increase risk of heart disease by raising people’s cholesterol levels. But people who ate two eggs a day experienced reductions in their “bad” LDL cholesterol levels, as long as the rest of their diet remained low in…  read on >  read on >

A seven-second head start for pedestrians can save lives and prevent injuries at busy intersections, a new study says. Pedestrian-related injuries dropped by 33% at crosswalks where New York City rejiggered traffic lights to give walkers those extra seven seconds, researchers report in the journal Nature Cities. The most dramatic impact came during the day,…  read on >  read on >