Blood group of any human beign will mainly fall in any one of the following groups:

1. A Positive or A Negative
2. B Positive or B Negative
3. O positive or O Negative
4. AB Positive or AB Negative

A healthy diet helps ensure a successful blood donation, and also makes you fell better!

After donating blood, the body works to replenish the blood loss. This stimulates the production of new blood cells and in turn, helps in maintaining good health.

Compatible Blood Type Donors
Blood Type	Donate Blood To	Receive Blood From
A+	A+ AB+	A+ A- O+ O-
O+	O+ A+ B+ AB+	O+ O-
B+	B+ AB+	B+ B- O+ O-
AB+	AB+	Everyone
A-	A+ A- AB+ AB-	A- O-
O-	Everyone	O-
B-	B+ B- AB+ AB-	B- O-
AB-	AB+ AB-	AB- A- B- O-

The most common blood type is O, followed by type A. Type O individuals are often called "UNIVERSAL DONOR" since their blood can be tranfused into persons with any blood type. Those with type AB blood are called "UNIVERSAL RECIPIENTS" because they can receive blood of any type.