What Are the Advantages and Disadvantages of Blood Donation?
Blood donation has both advantages and disadvantages. The benefits are that it can reduce blood viscosity and stimulate the production of more fresh blood. However, the drawback is that excessive blood donation may lead to symptoms such as dizziness and hypoglycemia. Although blood donation is a good thing, it is not recommended to donate blindly, with a maximum limit of 400 milliliters. People with poor physical condition are best to avoid blood donation.
1. Benefits of Blood Donation
There are many benefits of blood donation. Firstly, it can continuously stimulate the bone marrow hematopoiesis system, increase the proportion of fresh blood cells, and reduce blood viscosity. Secondly, it promotes the production of blood cells and keeps the bone marrow active.
2. Drawbacks of Blood Donation
Blood donation also has its drawbacks, such as palpitations, dizziness, colds, hypoglycemia, and fever. It is essential to decide whether to donate blood based on one's physical condition.
3. Precautions before Blood Donation
① Before blood donation, it is important to control your diet. Avoid overeating at dinner the day before, reduce intake of meat, fish, eggs, milk, soy products, and greasy foods. Do not drink excessive amounts of water to avoid diluting the blood and affecting its quality.
② Understand relevant knowledge. Get a good sleep the night before blood donation, preferably taking a shower and changing into clean underwear, especially ensuring that both elbow bends are clean. You can also read some blood donation promotional materials before bed to alleviate any mental burden.
