Flu A and flu B are the most common strains of the flu that circulate in humans. The U.S. is currently in the middle of flu season, with a high number of cases reported across the country. There are ...

Cases of the flu viruses continue to surge across the U.S., placing a strain on health care systems and causing tens of millions of illnesses and thousands of deaths each year. Each flu season, there ...

Most biotin supplements, no matter how they’re labeled, contain d-biotin, which is the form of biotin, or vitamin B7, that is the most active.