One in the major human activities leading for the irreversible biodiversity loss is the overexploitation of certain animals. This occurs when the human destruction or usage of a species outpaces that species' capability to reproduce. This often occurs when certain organisms are highly prized by humans, which could be the case with animals and plants whose parts are utilized as medicinal therapies in most societies. Sadly, three with the Earth's eight species of tiger happen to be extinct. What's worse? The five remaining species are gravely endangered, partly due on the interest in their bones, which are believed to treat arthritis, and erroneously believed to reverse male impotence. Exploitation also affects plants as well including popular wild-grown medicines ' including Echinacea, the normal cold remedy. Get rid of junk food and eat a well balanced diet with plenty of lean meat and fruit and veg. Try and eat as naturally from the earth as you can and avoid too many processed foods. Dr. Cole is the President of Bennett College in Greensboro, North Carolina. She is President emerita of Spelman College and Professor Emerita of Anthropology, Women's Studies, and African American Studies at Emory University. A nationally known African American feminist-intellectual, she may be the author of countless books, including Conversations: Straight Talk with America's Sister President. Want to increase libido? Low libido makes your sex life suffer, and this isn't a good scenario if you're married. Age doesn't have to decrease your libido level when you always want to make your partner happily satisfied in bed. Increasing your sex drive could become a challenge because there are so many ways to choose from in order to bring back your libido.