Human teeth are almost as hard as rocks!
47
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
Music has the ability to repair brain damage and return lost memories.
62
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39