A collection of 12 regular issues and 4 special reports of the popular Mayo Clinic Health Letter that brings an incredible collection of up-to-date, instructive, and award-winning health writing into one publication. Mayo Clinic Health Letter provides easy to understand, award-winning health information covering prevention, wellness, health tips, news, research and more. The 2021 Year in Review collection covers topics including: *early detection of kidney disease, *advances in cancer treatments for head and neck, *eye emergencies, *why you feel dizzy, *knowing your blood pressure, *depression and anxiety, *dental implants and crowns, *neuropathy and diabetes, *what you can do about osteoporosis, *optimism about Parkinson’s disease, *colorectal cancer screening, *6 steps to live younger longer, *preventing a heart attack, *advances in treating melanoma and many more. The goal of the Mayo Clinic Health Letter is to provide reliable health information to help people stay active, prevent illness, and achieve a longer, healthier life.