What do you think are the advantages of donating blood without compensation? Why can't healthy adults donate blood in moderation and affect their physical and mental health?

Through the analysis, we can know that the benefits of voluntary blood donation are that moderate blood donation can reduce the viscosity of blood, regular blood donation for men can prevent cancer, and blood donation for middle-aged people can prevent diseases. Free blood donation is a noble act of selfless dedication and saving lives, and it is the general direction of the development of blood cause in China. Blood donation is the embodiment of love and dedication, which can relieve patients' pain and even save their lives. Its value cannot be measured by money.

A person donates 200-400 ml of blood at a time, accounting for only 5%- 10% of the total blood volume. In addition, blood drawn from peripheral blood vessels will automatically release blood originally stored in internal organs such as spleen and liver into blood vessels to maintain a constant blood volume, and the water and inorganic substances lost after blood donation will be replenished within 1-2 hours. Plasma protein can be replenished in a day or two; Platelets, white blood cells and red blood cells will soon return to their original levels, so blood donation will not affect the health of blood donors.

So the answer is: the advantage of voluntary blood donation is that moderate blood donation can reduce blood viscosity, regular blood donation for men can prevent cancer, and blood donation for middle-aged people can prevent diseases.

A person donates 200-400 ml of blood at a time, accounting for only 5%- 10% of the total blood volume. In addition, blood drawn from peripheral blood vessels will automatically release blood originally stored in internal organs such as spleen and liver into blood vessels to maintain a constant blood volume, and the water and inorganic substances lost after blood donation will be replenished within 1-2 hours. Plasma protein can be replenished in a day or two; Platelets, white blood cells and red blood cells will soon return to their original levels. Therefore, proper blood donation by healthy adults will not affect their health.