All Sauce from Weekly Sauce:

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 >

Some women have a greater risk of depression as they go through premature menopause, according to a new study. Premature menopause occurs when the ovaries stop functioning normally before age 40, researchers said in background notes. The condition has been linked with a more than tripled risk for depression and nearly quintupled risk for anxiety,…  read on >  read on >

Poor dental health could be a harbinger of chronic illnesses like type 2 diabetes and heart disease, a new study warns. People with missing teeth, coated tongues and other signs of poor oral health also were more likely to have elevated blood sugar, high cholesterol and diminished kidney function, researchers reported recently in the Journal…  read on >  read on >