Vitamin D and Cancer: What the Evidence Actually Shows

Vitamin D regulates cell growth, immune function, and inflammation, all processes directly relevant to cancer. Here is what the research shows about deficiency, supplementation, and cancer risk.

Regular physical activity is linked to reduced risk for at least 13 cancer types. Here is what the research shows and how to build habits that actually protect you.

Alcohol is classified as a Group 1 carcinogen linked to at least seven cancer types. Here is what the evidence says and how reducing your intake can lower your risk.

The PSA test is one of the most important tools in prostate cancer detection. Here's when to get screened, what the results mean, and how to act on them.