From natural health expert, Dr Joseph Mercola - the go-to guide to supporting your immune system, filled with smart strategies, cutting-edge research and 50 delicious recipes. In this new book packed with up-to-the-minute information and illustrated with beautiful photography, natural wellness expert Dr Joseph Mercola offers a powerful toolkit for strengthening immunity and supporting health. Eating a wide array of herbs and spices on a regular basis, he explains, can go a long way towards strengthening your immune system and preventing illness. Upgrade Your Immunity with Herbs showcases 19 different medicinal herbs and spices - from Ashwagandha to Echinacea to Rhodiola - and offers ways to use them in everything from teas and tonics to full meals. And while there's little question that diet is the most important contributor to immune health, Dr Mercola also shares insight into other factors that play key roles. You'll discover: * How to know much water you need each day * 11 ways to improve your sleep - and your immunity * Which vitamins and minerals your diet should include * The common (but easy-to-quit) habit that's linked to cancer, excess inflammation and poor immune health The guidance in Upgrade Your Immunity with Herbs is all you need to know in order to build an immune system you can trust - and eat well in the process.