Blood isn’t everyone’s favorite topic but for obvious reasons, it’s pretty important. And thanks to modern science we now know that blood type plays a major role in our health.

There are eight different common blood types, which are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body.

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Since some antigens can trigger a patient’s immune system to attack the transfused blood, safe blood transfusions depend on careful matching.

8 Things Your Blood Type Says About Your Health

Blood type has been linked with a variety of mental disorders, but the associations are weak—many other factors are more important in determining who ends up with an illness.

Still, the fact that a connection may exist intrigues some scientists, who hope one day to uncover the biological processes that link blood molecules to mental health, possibly improving our understanding and treatment of these illnesses.

Although you can’t change your blood type, however, knowing about added risks can still be helpful. Here are several ways your blood type could be affecting your health—and what to do about it:

1. Blood type and nutrition

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You should know your blood type in order to know the foods which are beneficial for your health, and which ones to avoid. Therefore, blood type A individuals should focus on eating more vegetables.

For the people with blood type O is recommended consume more proteins in the form of fish and meat, and the ones with AB blood type should focus on lean meat and seafood. Finally, those ones who belong to the type B should consume more red meat.

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2. Blood type and emergencies

In case you ever need a blood transfusion, you should have in mind that people with O RH negative are universal donors and people with blood type AB are universal recipients so you need to know this to save the valuable time in emergency cases.

3. Blood antigens

Blood antigens can be present in the blood, digestive tract, lungs, and nostrils, in the mouth and the colon.

4. Blood type and stress

Individuals with blood type O need more time to relax after a stressful situation than others.

5. Blood type and weight problems

The blood type can also determine if one will have a belly fat or not, as blood type, 0 people are more susceptible to it, and with blood type A do not suffer from such issues in general.

6. Blood type and pregnancy

The women who belong to the blood type AB conceive much easier than others, as they have a reduced production of a follicle-stimulating hormone.

7. Blood type and offspring

About 85% of people are Rh positive. Yet, if the woman is Rh negative and the man who she conceives with is Rh positive, there is an increased risk that their child will develop some health issue.

8. Blood type and illnesses

Depending on the health issue or condition, every single blood type can be less or more susceptible to it so you should find out your own risks and try to reduce them.

Blood Type and Your Brain

Your blood type could have a major impact on your brain as you age, researchers have found.

They found those with an ‘O’ blood type have more grey matter in their brain than those with ‘A’, ‘B’ or ‘AB’ blood types.

This helps protect against diseases such as Alzheimer’s.