Could wearing a mask for long periods be detrimental to health?
Retired neurosurgeon Dr. Russell Blaylock has highlighted a number of studies linking prolonged mask use to headaches and lowered blood oxygen levels, which can weaken the immune system.
A man wears a face mask with David Star at the Nachlaot Neighborhood in Jerusalem on April 12, 2020. A full closure on 17 Jerusalem Neighborhoods went into effect today at noon in efforts to contain the spread of the coronavirus.(photo credit: NATI SHOCHAT/FLASH 90)ByDONNA RACHEL EDMUNDS
