Echinacea, a herbal remedy made from a flowering plant, can prevent respiratory infections—or even help treat them once they begin. A study, of 473 adults, published in 2015 in Current Therapeutic Research found a hot drink blend of echinacea and elderberry showed comparable efficacy to Tamiflu in treating symptoms of influenza. Via The Wall Street Journal. Posted January 11, 2016.
–Alanna McCatty