Taking extra vitamin E or selenium every day can raise the risk of prostate cancer, and the risk is substantially higher if the amount of selenium from your diet is already pretty high.
The Mediterranean diet emphasizes olive oil, grains, fruits, nuts, vegetables and fish. Research shows that it prevents heart attacks and strokes.
Taking multiple medications, poor health, and older age can make aggressive drug therapy for high blood pressure riskier.
In people with heart disease and also at risk of diabetes, taking a cholesterol-lowering statin drug is still beneficial despite their tendency to raise blood sugar.
A study found that special diets tailored to people’s blood types produced no health benefits.
It is possible to develop an allergy later in life, but a constant runny nose that is not associated with itchy eyes and sneezing is more likely due to something called nonallergic rhinitis.
Routine PSA testing to check for prostate cancer is not recommended for men 70 and older, but many continue the practice.
Measuring blood pressure at home identifies people potentially at risk of heart problems, despite having measurements that were lower or even normal when measured in the doctor’s office.
People with atrial fibrillation, a heart rhythm condition, take blood thinners to prevent stroke.
The class of sedating drugs called benzodiazepines can be risky because they impair balance. They can be used for short periods for sleeplessness and anxiety.