7 Things you can tell about others and yourself by knowing the Blood Group!

Although it is something that everyone should know, there are very few people who know their blood group . However, when people are aware of the importance of knowing their blood group in life they worry more about it. The blood groups can be A, B, AB and 0. All can vary according to their RH factor that can have positive or negative sign. We are born with a blood type and it does not change at any time of our life . But what you probably do not know…

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