How much aspirin does it take to prevent platelets from forming blood clots?

A low dose of aspirin, typically 81 mg (often referred to as "baby aspirin"), is commonly used to prevent platelets from forming blood clots. This dosage works by inhibiting the enzyme cyclooxygenase (COX), which reduces the production of thromboxane A2, a substance that promotes platelet aggregation. Higher doses are generally not necessary for this preventive effect and could increase the risk of side effects. Always consult a healthcare professional before starting any medication regimen.