A new drug to help with excessive sweating which impacts 15 millions Americans. The FDA has approved a new epilepsy drug derived from marijuana. And a new study shows having the same doctor for awhile can extend your life.
Diseases apparently have distinctive odors that humans can't detect. Researchers are using dogs, mice, rats and other animals to literally sniff out cancer and other diseases in the laboratory. In the 3rd World, rats are used to diagnose TB. Experts discuss the use of animals to diagnose disease and their efforts to build machines that can do the same thing.