The latest and most effective information on preventing and treating colds and flu, now with an exclusive new chapter on protecting yourself and your loved ones against COVID-19. In this book you'll find—cutting-edge information COVID-19, ranging from identifying your risk profile, to prevention tactics, to strategies for recovery; treatment plans for the most common respiratory infections, including colds, flu, bronchitis, pneumonia, sinusitis, and strep throat; the right way to use vitamin C and zinc to combat a cold; the important difference between a head cold and chest cold; the five best ways to quiet a cough; three signs that indicate if it's a cold or flu; three symptoms that signal it's time to call a doctor; and the surprising reason why women catch more colds.