David Attenborough's Natural Curiosities: Curious Cures

Sir David Attenborough examines the mysteries behind some of nature's most fascinating creatures and plants. Humans are not alone in using medicines against injuries and infection. Some animals protect themselves with natural remedies in the most extraordinary ways. Hippos produce a blood-red 'sweat' that acts as a sunblock and helps fight infections, while capuchin monkeys rub themselves with insect-repellent leaves to protect themselves from insect bites.