Is Blood Donor Makes Us Healthy?

Many people are not indifferent when I saw the posts where to donate blood. There is not even glance at it.

I do not mean patronizing those who do not want to donate blood but I try to talk facts about blood donation.

Here's the facts about blood donation:

1. Your blood pressure will be checked for free and regular.
2. You will receive free tests for hepatitis and HIV, and sometimes also checks cholesterol.
3. Your risk of heart attack will decrease, due to iron levels.
4. You will be reminded again will your blood type.
5. You may feel weak for a while but you make sense of virtue is gone.

So why hesitate to blood donors?