Aspirin is complicated. Advice on who should take it is conflicting and always changing. In this 2-part episode we'll explore why that is. We'll learn a bit about atherosclerosis - the disease that aspirin can treat. We'll explore what the FDA says about aspirin and what as well as what is recommended by a couple of the commonly used guidelines. Last, we'll summarize what was found in the clinical trials and how those finding led to some much conflicting advice. Then we'll make up our own minds about "Who should take a daily aspirin."