clues

This light micrograph from the brain of someone who died with Alzheimer's disease shows the plaques and neurofibrillary tangles that are typical of the disease. A glitch that prevents healthy cell structures from transitioning from one phase to the next might contribute to the tangles, researchers say. Jose Luis Calvo/ Science Source hide caption toggle…

A mysterious illness striking children, potentially linked to COVID-19, is rare but serious. Health officials are advising doctors and parents to be on the lookout for symptoms including rash, abdominal pain, rapid heartbeat and change in skin color. CBS News senior medical correspondent, Dr. Tara Narula, explains the latest information on “CBS This Morning.”