Jonathan Block

Do you really need that antibiotic?

According to a new study in BMJ, nearly one-quarter of antibiotic prescriptions filled by those with private insurance were not medically justified, leading to concerns about antibiotic overuse...

Aspirin may not help to prevent heart problems

People who are at a moderate risk of developing cardiovascular disease who take a low-dose aspirin daily do not have fewer heart problems compared to those who don’t take anything, according to a...

At-home cancer test is largely unhelpful

If you could take a test and have it determine whether you are at an elevated risk for developing breast cancer, who wouldn’t want to know such valuable information? And what if you could do it in...