For people under about age 70, COVID-19 is much harder on men than on women, especially those with strong male characteristics like scalp balding and plentiful body hair. A group of researchers has a theory as to why—that male hormones provide the virus with an entry into the cell. One of the researchers discusses what that could mean in terms of treatment.
Since the introduction of antibiotics in World War II, doctors have prescribed courses of treatment that typically ran longer than necessary. Bacterial resistance is forcing a reevaluation, shortening courses sometimes to just a few days and even prompting doctors to advise not using all pills if patients feel better.