Which blood type is healthiest?

Author: Miss Clemmie Ratke  |  Last update: Thursday, April 10, 2025

Of the eight main blood types, people with Type O have the lowest risk for heart attacks and blood clots in the legs and lungs. This may be because people with other blood types have higher levels of certain clotting factors, which are proteins that cause blood to coagulate (solidify).

Which blood type has the best immune system?

The blood group O(H), which is bound to the virus solely by the formation of the hybrid H-type antigen, has the least amount of contact with the pathogen and is the most protected group when it loses only the anti-H, but retains innate anti-A and anti-B isoagglutinin reactivity, involving secondary IgG responses.

Which blood type is more resistant to disease?

Carriers of blood group 0 (I) are generally more resistant to diseases, with the exception of H. pylori-associated gastrointestinal diseases. Carriers of «antigenic» blood groups A (II), B (III), AB (IV) are more susceptible to development of infectious, cardiovascular and cancer diseases.

Which blood type lives the longest?

Chances are higher you'll live longer if you have type O blood. Experts think your lowered risk of disease in your heart and blood vessels (cardiovascular disease) may be one reason for this.

Which blood group is best for the human body?

O negative blood can be used in transfusions for any blood type. Type O is routinely in short supply and in high demand by hospitals – both because it is the most common blood type and because type O negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants.

The Pros & Cons of Your Blood Type

Which blood group has the highest IQ?

In 2014, a study conducted in Jordan found significant associa- tion between blood group and intelligence with the highest IQ levels reported among individuals with 'AB' blood type [13].

What is the unhealthiest blood type?

Types of blood
  • Types A and B: Higher risk of blood clots, heart attacks and strokes. 
  • Type AB: Higher risk of stroke and inflammation. Those with AB+ blood can accept blood from all donors and are called universal recipients.
  • Type O: Slightly lower risk of thrombosis, blood clots, heart attacks and strokes.

Which blood type do mosquitoes hate?

Blood Types Mosquitoes Love Most

Type B: Type B placed second in popularity. Type A: Type A Blood Type apparently tastes the worst to mosquitoes. The study found that those with Blood Type A are 50% less likely to receive a mosquito bite than those with Type O.

What blood type has memory problems?

People with blood type AB may be more likely to develop memory loss in later years than people with other blood types, according to a study published in the September 10, 2014, online issue of Neurology®, the medical journal of the American Academy of Neurology.

What blood type are most millionaires?

Blood type B is found in a much higher percentage (four times as often) in self-made millionaires than in the rest of the population. On the other hand, many of the business CEOs and the United States Presidents are first-born children.

What blood type is immune to COVID?

There's also evidence that having Type O blood may protect against some long-term risks of COVID, like heart attacks and stroke, while having a non-O blood type may increase this risk. There's no blood type that makes you immune to COVID illness. Blood type doesn't change how effective COVID vaccines are.

What is the cleanest blood type?

Type O negative red blood cells are considered the safest to give to anyone in a life-threatening emergency or when there's a limited supply of the exact matching blood type. That's because type O negative blood cells don't have antibodies to A, B or Rh antigens.

What blood type is most likely to get leukemia?

Previous studies confirmed that CLL patients' most common blood group is the A group, but other studies show that blood group O is predominant. Regarding CML cases, the studies found that the most predominant blood group in CML patients is the O and B blood groups.

Which blood group doesn't fall sick easily?

Of the eight main blood types, people with Type O have the lowest risk for heart attacks and blood clots in the legs and lungs. This may be because people with other blood types have higher levels of certain clotting factors, which are proteins that cause blood to coagulate (solidify).

What blood type has autoimmune disease?

Types A and B have an increased risk of developing lupus, rheumatoid arthritis, multiple sclerosis, and undifferentiated connective tissue disease. There is also a high ratio of people with type O blood who have been diagnosed with Hashimoto's disease, which is a disorder where the body attacks its thyroid gland.

What blood type has the most allergies?

Males with allergic rhinitis (AR) most commonly had blood group B compared to control groups, which had the highest frequency of group O, although the results were not statistically significant. Allergic rhinitus was significantly higher in Rhesus-positive patients in our study.

Which blood type is more prone to mental illness?

The most recent study found a higher risk of psychiatric disorders (mood disorder, psychotic disorder, addiction and personality disorder) in AB-individuals (Pisk et al., 2019) whereas other studies indicate a higher risk for depressive symptoms in individuals with blood type O compared to non-O individuals (Singg and ...

Which blood group is weak?

Background: Weak blood group A and B phenotypes are correlated with ABO glycosyltransferases exhibiting single-amino-acid changes and/or C-terminal modifications.

Which blood group is good for brain?

The ABO gene is connected with brain function and memory loss. People who have blood types A, B, and AB are up to 82 percent more likely to develop cognition and memory problems — which can lead to dementia — compared to those with Type O.

What blood type are fleas most attracted to?

While certain insects do show a preference for specific blood types, fleas appear to be more opportunistic, choosing hosts based on accessibility rather than blood type. Thus, fleas are not attracted to certain blood types.

Which blood type is most common?

Blood types
  • O positive: 35%
  • O negative: 13%
  • A positive: 30%
  • A negative: 8%
  • B positive: 8%
  • B negative: 2%
  • AB positive: 2%
  • AB negative: 1%

Why do I get bitten so much?

Other factors such as blood type and breathing patterns also seem to play a role. Type O blood appears to attract the pests. So does breathing heavily — such as after a workout — which exudes more carbon dioxide around you, which attracts mosquitoes.

Which blood type lives the shortest?

Indeed, the authors retrospectively reviewed blood group distribution in a cohort of patients stratified by decade of death and found that patients with group B blood had an overall decreased survival (p<0.01) compared with patients with the other blood groups.

Which blood type bleeds the most?

Blood group O has been associated with an increased bleeding tendency due to lower von Willebrand factor (VWF) and factor VIII (FVIII) levels.

What is the fattest blood type?

Conclusion: The blood group O showed the significant positive association with obesity. Population with blood group O showed greatest susceptibility to be overweight and obese.

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