Here are two cancer truths we think everyone can agree on: These diseases are scary and can feel pretty random, even though one in three Americans will develop some form of cancer over their lifetime, according to the Centers for Disease Control and Prevention. But you’re not powerless here. There’s actually a lot you can do pare down (even slash!) your risk of developing breast cancer, colon cancer, and more. In fact, more than 40 percent of malignancies are preventable, says the American Cancer Society. That's pretty encouraging, right? Here are some everyday strategies to stack the odds in your favor.