A high platelet count indicates too many of the small cells (platelets) that help form blood clots. This can cause dangerous clots and bleeding. Also called thrombocytosis or thrombocythemia, ...

Add Yahoo as a preferred source to see more of our stories on Google. Few bodily functions are as misunderstood as blood clots. While most people have heard about blood clots in the heart or brain ...

Normal blood counts fall within the range that has been established by testing healthy men and women of all ages. The cell counts are compared to those of healthy individuals of similar age and sex.