While aspirin does not affect performance, it may affect your health. There is still the concern that taking aspirin will inhibit clotting, and if you are hit during exercise, you may bleed and not be able to stop the bleeding. The analgesic effect of aspirin may block pain that tell you to stop exercising. Then you may continue to exercise when you should stop and you can turn a minor injury into a major one. So, take the day off from exercise when your muscles feel sore. Taking aspiring to allow you to exercise can cause an injury.
i disagree with whats in red, there must be a full proof way to exercise by disabiling soreness