Want to be healthier? Defend Your Life explains how you can empoweryour life by taking a safe and inexpensive daily dose of vitaminD3. This book addresses recent medical research-ineasy-to-understand language-on vitamin D3's wide range of potentialhealth benefits including: decreasing the risk of arthritis,autism, cancer, contagious illnesses, diabetes, heart disease,multiple sclerosis, and thyroid disorders. Adequate vitamin D3 inyour body also may improve your athletic ability and dental healthas well as slow genetic aging. Author Susan Rex Ryan shares hertheory about how you can attain optimal vitamin D3 status andeasily "defend your life" by enjoying better health.