A look at the top medical headlines for the week of September 13, 2020 including: Having COVID-19 may not provide protection against getting it again. Then, an experimental drug combination is showing some promise against ALS. Then, about 10 percent of Americans have diabetes and many of them are undiagnosed. If you’re working at home because of the pandemic, experts say there are really only two ways to handle it. And finally… the increase in states where recreational marijuana is legal is raising the alarm among physicians who say pot can cause interactions with other drugs.