A 46-year-old member asked:
what is advantage or disadvantage of o+ blood group?
1 doctor answer • 2 doctors weighed in

Dr. Liawaty Ho answered
Hematology and Oncology 23 years experience
Universal donor: The advantage is that you are a universal donor- which means you can donate your blood and the blood can be used and be given to people with different type of blood group. Which means you can do a lot of good karma. The disadvantage is that if you ever need packed red blood cell transfusion-you should only get a type o blood, which unfortunately -is not very common.
4870 viewsAnswered Feb 6, 2021
1 comment

Dr. Ed Friedlander commented
Pathology 44 years experience
This is sound advice. There is a "pop" book series that makes a huge variety of false claims and bogus recommendations for different blood types. Ignore them.
Oct 6, 2013
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Similar questions
A 45-year-old member asked:
What is a blood group?
2 doctor answers • 3 doctors weighed in

Dr. Carolyn Thompson answered
Obstetrics and Gynecology 28 years experience
Blood type: "blood group" and "blood type" are the same thing. Blood types are as follows: a, b, o, and ab. There is also the rh factor, which is + or -.
Blood types are inherited traits.
Worldwide, o+ is the most common type, and ab- is the rarest type.
6256 viewsReviewed >2 years ago
A 33-year-old member asked:
What's the biggest blood group in the world?
1 doctor answer • 1 doctor weighed in

Dr. Michael McGonigal answered
General Surgery 39 years experience
O+ is most common: O positive is the most common worldwide. The rarest is ab-.
5692 viewsAnswered >2 years ago
A 32-year-old member asked:
Can your blood group affect your health?
1 doctor answer • 1 doctor weighed in

Dr. Nasfat Shehadeh answered
Hematology and Oncology 29 years experience
No: No.
4884 viewsAnswered >2 years ago
A 37-year-old member asked:
Does "sc blood group" exist?
1 doctor answer • 1 doctor weighed in

Dr. Mehdi Moezi answered
Medical Oncology 31 years experience
SC Hemmoglobin: Yes it is not a blood group you may mean sc disease which is hemoglobinopathy and combination of sickcle and hemoglobin c and may need treatment an dhematology observation. Ask for referral to hematology.
4775 viewsAnswered >2 years ago
A 33-year-old member asked:
How could blood groups originate?
1 doctor answer • 2 doctors weighed in

Dr. Ed Friedlander answered
Pathology 44 years experience
Genetic drift: There is no obvious selective advantage for A, B or O in nature, and these seem to be the result of random mutations. Some of the African blood groups, famously Duffy Negative, arise in response to selective pressure because it gives immunity to the local form of malaria. You may find this site helpful http://sandwalk.blogspot.com/2007/02/abo-blood-types.html
3936 viewsReviewed >2 years ago
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Last updated Feb 6, 2021
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