Prepare before donating blood

Hematological experts said that if each donation less than 1/10 of the blood in the body is not harmful to health, after the blood donation, the blood index changes a bit but still within the limit. Normal physiology does not affect the daily activities of the body. In addition, the blood is "stored" in the liver, the spleen is not circulated, but when donated blood, the body will be "renewed" by the corresponding blood produced by bone marrow. In fact, there are millions of people who donate blood many times but their health is still good. Therefore, you can safely donate blood to save people.

Currently, the need for blood in hospitals to save lives is extremely urgent. Every hour there are hundreds of patients needing a blood transfusion. Every year, our country needs about 1,700,000 units of blood for treatment, but it only meets about 30% of the demand. But if only a blood clot (about 200ml) was able to save a human life.

To ensure good health, doctors advise people to donate blood: • Need to eat enough breakfast before giving blood, such as drinking orange juice and eating a bowl of pho, should not use stimulants before donating blood. For example alcohol, coffee, tea ... because caffeine causes dehydration. Immediately after donating blood, should: rest, drink 1 cup of hot milk. If feeling dizzy, tired, nausea, should rest 10-15 minutes; Leave the bandage at least 4-6 hours before leaving. During the first 2-3 days after donating blood, should be gentle activities, more rest than normal, do not drink alcohol, beer, and overwork ...

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