Book excerpt: Cancer is much feared, but people hold the power to reduce their risk of developing many forms of the disease. Although factors such as age, ethnicity, and heredity are beyond control, people can still take charge of their health and wellness, and up to half of all cancers may be preventable with proper screening and a healthy lifestyle. This book provides information about risk factors, in addition to tips on lifestyle and screening practices that improve health and lower the risk of developing cancer.--adapted from publisher's description.