American Cancer Society Guidelines on Nutrition and Physical Activity for Cancer Prevention: Reducing the Risk of Cancer With Healthy Food Choices and Physical Activity
Preventing Cancer, Cardiovascular Disease, and Diabetes: A Common Agenda for the American Cancer Society, the American Diabetes Association, and the American Heart Association
Activity in other stars
Magnetic activity in stars
Activity on T Tauri stars
Activity 12 Modular Star Ring
Activity in Cool Star Envelopes