Healthy aging means fit, strong, smart and potent until 85. Lifting weights is the way to get your strength back. HIIT quickly gives you endurance. Atherosclerosis is largely reversible. Flossing and healthy diet will save your teeth. Plant based diet will make you thin again. Understanding how to protect your health gives you hope. Understanding how disease develops, helps you avoid it. You can optimize your health into your 80's. The book shows...