July 20, 2017 12:25 pm Magnesium Can Help With Mental Health: Study Dr. Joshua Weiner joins News4 to discuss a recent study that determined magnesium can help with depression, anxiety and sleep. Local 0:32 Photo shows person riding on back of Metro rail car 2:12 2 teens arrested in Greenbelt senior skip day shooting 2:15 Veteran of wars in Iraq, Afghanistan killed in Laurel hit-and-run 3:28 Social media and teens' mental health: A psychiatrist weighs in 1:41 DC-area police ramp up traffic enforcement in pedestrian safety campaign