Because sometimes, people have sickness like Cancer, HIV, Aids and others. If they share blood with other people they might get infected with that disease too.
There are several dangers of having a blood clot. Examples of dangers of having a blood clot include blocking flow to organs and blocking flow to tissues in the body.
You can't get HIV from sharing contact lenses.
HIV can only be contracted by sharing bodily fluids like semen or blood - in other words, by having unprotected sex or by sharing blood by sharing needles for illegal drug use or by getting contaminated blood in a blood transfusion.
No Danger At All, The Father Could Have A Positive Blood.
Loss of blood flow to the limb.
Answerthey will want to drink your blood
Clots inside the blood vessels block the flow of blood to major organs and cause heart attacks and strokes.
Hypertension is a medical condition also known as high blood pressure. The dangers of hypertension are increased risk of heart attack and stroke.
There are many dangers of getting cochlear implants. Some of these dangers are injuries to the facial nerve, Meningitis, infection, blood collection, numbness around the ear, and attacks of vertigo.
High blood pressure due to high sodium levels, and high mercury levels in the blood.
Chimpanzees are the closest in blood type to humans, sharing similar blood antigens and compatibility for blood transfusions.
Lead poisoning will occur if high levels of lead occur in the blood.