A new study (view below) from the American Cancer Society reveals that about 40% of cancer cases and half of all cancer deaths in adults over 30 are linked to lifestyle choices we can control, like smoking, diet, and exercise. Smoking is the biggest culprit, responsible for nearly 20% of all cancer cases, while excess weight and alcohol consumption also play significant roles. The research highlights that simple changes in our habits could drastically reduce cancer risks, especially for types l...