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.
O negative is a blood group that neither has the A or B markers nor the Rh factor. In its plasma, it donât has anti-A antibodies and anti-B antibodies. People with O negative blood group can donate their blood to all types of blood groups either A, B, AB, O, their -ve and +ve.