Scientists at the University of Colorado found that women's hands, especially, are just teeming with all kinds of bacteria.
It may come as a shock to learn that some skin based bacteria is actually good for you. You might want to rethink all that hand cleansing.
For example, onion, garlic, oregano, and allspice alone all kill or inhibit up to twenty-nine different kinds food-borne bacteria. In fact, most spices inhibit bacteria to some extent.