You should have the conditions to donate blood. You can donate blood if you like. First of all, people who want to donate blood for free need to meet the age requirements. The age should be between 18 and 55 years old. The age can be postponed to 60 according to the situation. Minors are not allowed to donate blood. Moreover, blood donors are required to be healthy and have normal blood pressure.
People with some serious diseases, such as AIDS, hepatitis B and syphilis, are not allowed to donate blood, and patients with malignant tumors are not allowed to donate blood. You can't donate blood if you are suffering from serious skin diseases and joint diseases.
Some people who are not suitable for donating blood for the time being should also pay attention, including those who have just washed their teeth and those who have had surgery somewhere. This kind of operation includes appendectomy, tonsillectomy and other similar operations, and the physical function has not been fully restored. Participating in blood donation is not good for your health or the health of others.
What to do after blood donation? After blood donation, we should pay attention to supplementing nutrition to help the body improve the speed of hematopoiesis. You can eat some foods rich in iron and zinc, such as jujube, pork liver, millet, red beans, raw peanuts, etc., to help your body replenish blood. You can't drink alcohol after donating blood, and it's not suitable for strenuous exercise. You can eat some relatively light food, which is more conducive to the recovery of your body.
It is necessary to donate blood regularly, and it may save others' lives at critical moments. It is very beneficial to encourage healthy people to actively donate blood and help themselves while helping others when health conditions permit.