Our appetite for salt is programmed into our brains. Now scientists believe that cocaine and heroin are particularly addictive in part because they usurp that programming.
Michel Lotito (Monsieur Mangetout or Mr. Eats All) consumed metal and glass for over 30 years. Gastroenterologists checked out his digestive system and confirmed he can do it!
Farmers love ladybugs for their voracious appetite. They consume insects that eat their crops. Can you believe 5,000 aphids in their 3-6 week lifetime!