Support OneGreenPlanet Being publicly-funded gives us a greater chance to continue providing you with high quality content. Please support us! Support Us In the health world, it seems that the last few years have been all about debunking crusty old moth-ridden myths. For instance, you’ve probably heard that certain types of fat — think monounsaturated, polyunsaturated, omega fatty acids, and moderate amounts of saturated fat — are a key component of a healthy diet. How do you think fat-soluble vitamins are processed? Advertisement Another debunked myth is that applying oil creates more oil when it comes to your skin. In fact, certain plant-based oils have been used since ancient times — particularly in Ancient Egypt — to help moisturize, protect, and rejuvenate skin.