When You're Under the Weather...
Ginseng Tea, Hot or Iced
In a Canadian study, people who took 400 milligrams of ginseng a day had 25 percent fewer colds than people who popped a placebo. Ginseng helps kill invading viruses by increasing the body's production of key immune cells.
Caffeinated Beverages and Energy Drinks
Excessive caffeine messes with your sleep schedule and sabotages key immune agents. And insufficient sleep opens the door to colds, upper respiratory infections, and other ills. What's more, caffeine can dehydrate you, and hydration is vital during illness: Fluids not only transport nutrients to the problem zones, but also carry away toxins.