Probiotics: Bacteria in Your Diet May Enhance Your Health
The human digestive tract is home to millions of bacteria. Some researchers estimate that humans have more bacterial cells than body cells. But when it comes to health, bacteria usually have a bad reputation. For example, if you've ever suffered from "turista" (the intestinal ailment that strikes people who travel to other countries), you're well aware of the effect of unwelcome bacteria on your digestion. While there are over 400 species of bacteria in humans, not all cause problems. Research suggests that friendly bacteria-probiotics, may help digestion, immunity, allergies and cancer.