What are the benefits of blood donation

The slogan "Donate blood for free, no glory" is very loud, but every time you pass by the blood donation van, you are still afraid to roll up your sleeves and take a step. The benefits of bloo

Precautions for blood donation

Blood donation is an infinite honorable thing, although a passion, but it is a matter of health, for the blood donation before and after the precautions, we still need to understand first. Pre