All Sauce from Weekly Sauce:

Years of litigation over the opioid epidemic could end soon, as the national pharmacy chains CVS and Walgreens announced Wednesday that each company has agreed to a nearly $5 billion settlement. While neither of the companies admitted wrongdoing, the settlements are part of the fight over the drug industry’s role in the epidemic that has…  read on >  read on >

Obesity is never healthy, and that may be especially true for people who also develop multiple sclerosis. Obese people with MS are likely to see the disability linked to the disease rapidly worsen, said German researchers who followed more than 1,000 patients in a new study. Weight loss, they suggested, might help slow the progression…  read on >  read on >

Most people consider drowsy driving dangerous, but an estimated 37 million Americans still get behind the wheel at least once a year when they’re so tired they can barely keep their eyes open. About six in 10 people admitted to drowsy driving in a new survey by the National Sleep Foundation (NSF). “Drowsy driving is…  read on >  read on >

Poor sleep may be linked to glaucoma, a leading cause of blindness, new research suggests. The study drew on a database of more than 400,000 people to explore links between sleep and vision loss. Glaucoma is marked by progressive loss of light-sensitive cells in the eye and optic nerve damage. Left untreated, it can cause…  read on >  read on >

New research reveals that the brain is much more flexible than once thought and can change rapidly during treatment for major depression. People receiving inpatient treatment for major depression had increased brain connectivity after just six weeks, German researchers report. They compared brain connectivity — various brain regions acting together in generating thought, emotion and…  read on >  read on >