 Based on that data, they project about 3 million of those people across the U.S. were taking it without medical advice. If you have heart disease, oftentimes aspirin is required, and stopping aspirin without the doctor's advice is dangerous. But if you're taking aspirin in the absence of heart disease, it's something that no one's advised you to do, and you're 60 years or older, it's time to have a discussion. Disclose that to your doctor. I'm Phoenix Bauer, WDAY News.