Health Benefits when donating blood
Health Benefits of donating blood
We all know that giving blood is an act of life-saving and philanthropic activities. But did you know that donating blood may also be good for your body? Iron stimulates cells to churn out free radicals, molecules that may contribute to cancer and other diseases of aging. Women tend to outlive men and are generally better at postponing the onset of age- related diseases, and one theory involves iron loss due to menstruation and that women have a hormone called “Estrogen” which according to some scientitists may help them before the menopause.
Here are four health benefits that may pay you back for contribution. 

Lower Iron Levels
Lower the iron levels in your body every time you give blood, which can help reduce the risk of heart disease. High blood iron levels have the potential to increase the risk of cardiovascular disease because iron accelerates the oxidation process of cholesterol in the body, which damages arteries.
Reduce Cancer 
Risk Consistent blood donation is associated with lowered risks for cancers including liver, lung, colon, stomach and throat cancers. Risk levels dropped in correlation with how often participants donated blood. (You can safely donate blood every 3 months (for men) and 4 months (for women)) Reduce Heart Attack Risk Regular blood donors who donate regularly over years have an 88 percent lower risk of heart attacks and a 33 percent lower risk of any severe cardiovascular event, such as a stroke.
Replenish Blood 
When you donate blood, your body replaces the blood volume within 48 hours of donation, and all of the red blood cells you lose during donation are completely replaced within four to eight weeks. This process of replenishment can help your body stay healthy and work more efficiently and productively. 
Evidence suggests that giving blood has health benefits
-Source CNN
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Blood Donation  helps in reducing the chance of heart diseases 
It has been observed that increase in blood iron level increases the chance of heart disease. Iron is involved in the oxidation of cholesterol and this process is believed to be detrimental for the arteries. Increases blood iron level favors this process of cholesterol oxidation and thus leads to heart disease. Regular blood donation helps especially males in loosing iron on regular basis. It helps in reducing the chance of heart attack to one third. 
Enhance the production of new Red Blood Cells 
As the blood is withdrawn from the donors body there is decrease inblood cells. To replenish it, immediately new cells are produced by marrow andthis way blood gets refreshed. Therefore donating blood helps in stimulating generationof new blood cells.
Helps in fighting hemochromitosis 
Hemochromitosis is a genetic disorder; also know as iron overload disorder wherein iron accumulates in the body tissue because or improper iron metabolism. This condition may lead to organ damage. Though this problem is uncommon in Indians4, people with little iron overload also can easily donation blood and reduce their iron content. Taking example from other countries, one in every 300-400 people in England suffers from this disorder and American Red Cross blood services accept such donors as safe donor as it’s a genetic disorder, it won’t be harmful to the person receiving blood from such donors.
Burns calories
One can diet or remain fit by donating blood regularly. One pint of blood (450 ml) when donated burns 650 calories in donor’s body. 
Invigorated feeling in elderly people 
It has been mentioned in various sites though not proved that elderly people in good health have reported feeling invigorated or re-energized by giving blood on a regular basis 
Basic blood test is done
Apart from all these benefits a donor gets a mini blood test done before donating blood. This includes Hematocrit i.e. HB level test, Blood pressure is measured, body weight is checked. After the blood is collected it tested for 5 major diseases. Those are Hepatitis B, Hepatitis C, HIV, Syphilis and malaria. Donor is immediately informed if any of these tests found to be positive.
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