Muscle weakness is a symptom of a wide variety of mild to serious diseases, disorders and conditions. Muscle weakness can result from infection, trauma, malignancy, autoimmune diseases, and other abnormal processes.
Difference between O+ and O- Blood Group. Key difference: The blood groups O+ and O- are universal donors. The only difference is in the recipients to whom the blood is transfused; O+ can be transfused to any positive blood groups, whereas O- is transfused to both positive as well as negative blood groups. O+ blood group is a common blood group among most of the people.
Any other blood type (A, B, or AB) would have antigens that react with your antibodies. Here, we see that having type O blood is even more exclusive than having type A or type B. When type O blood owns the neighborhood, neither type A nor type B blood cells can move in.