Reptiles and frogs of the Eastern Highlands and heavy mists and dew as moisture moves inland from the Indian Ocean. Many streams and rivers originate in these mountains, which form the watershed between the Zambezi and Save River systems. Reptiles and frogs of the Eastern Highlands The reptiles and frogs of the Eastern Highlands of Zimbabwe and Mozambique mark a biodiversity hotspot for herpetofauna. Diverse frog and reptile communities include endemic species. The Eastern Highlands extend 300 kilometres (190 mi) along Zimbabwe's eastern border with Mozambique. There are two broadly defined high-altitude ecological habitats in the Eastern Zimbabwe montane forest-grassland mosaic; a wet lowland forest ecology predominates
Human uses of reptiles an important curative and believed to reinvigorate a person according to Traditional Chinese medicine. Lizards such as the Gila monster produce toxins with medical applications. Gila toxin reduces plasma glucose; the substance is now synthesised for use in the anti-diabetes drug exenatide (Byetta). A toxin from Gila monster saliva has been studied for use as an anti-Alzheimer's drug. The cytotoxic effect of snake venom is being researched as a potential treatment for cancers. Reptiles including crocodilians, snakes, turtles, and lizards are used in traditional medicine in Brazil for a wide range of conditions including asthma, headache, herpes zoster, impotence, infections,