Salt and your health, Part II: Shaking the habit

With growing evidence that restricting sodium leads to lower blood pressure and reduces the risk of cardiovascular disease, it makes sense to make the effort to work on cutting salt from our eating habits. Here are some tips to help you reach your goals. More »

Prostate-specific antigen: A new(ish) study

Prostate-specific antigen (PSA) is a protein produced by every prostate, benign or malignant. The prostate pumps the protein into the ejaculate, where it works to liquefy semen so sperm can swim to their intended target. The majority of American men above age 50 have been tested at least once. Widespread acceptance notwithstanding, PSA screening for prostate cancer remains hugely controversial in scientific circles. A study from Sweden, presents a favorable view of screening but is unlikely to end the debate. (Locked) More »

On call: Alcohol, hypertension, and heart attacks

I am a 57-year-old man. I understand that moderate drinking may help me avoid a heart attack. But I've been diagnosed with hypertension, and I was told that alcohol can raise my blood pressure and stress my heart. So is drinking likely to help or harm me? (Locked) More »