Millions of Americans, especially older Americans, are on drugs called blood-thinners, usually the drug Coumadin (warfarin). Many more take a daily aspirin to thin their blood.Although these drugs are called blood thinners, what they actually do is make blood platelets less sticky and apt to form clots. Since sticky blood platelets and clots are a major factor in increasing blood viscosity, these drugs have the effect of thinning the blood.What’s wrong with thick, sticky blood? Is your blood too sticky? And if so, are drugs the answer, or are there more natural alternatives?Problems with Sticky BloodClotting is crucial to survival. Without good clotting ability, a small cut could lead to massive blood loss, and even death. However blood that clots too easily or fails to break down clots that are no longer useful is equally life-threatening: an undesirable clot that blocks an artery can cause a fatal heart attack or stroke. While some people suffer from genetic clotting defects that mak…