Heart disease
Good news for blood type. Studies have shown that the risk of coronary heart disease is low. Experts aren’t sure why. Some think it’s due to high levels of other types of cholesterol and proteins associated with blood clotting.
Stomach cancer
Blood group A, AB, and B are more at risk than Os. Specifically, people with blood type A are more likely to develop stomach cancer. Scientists believe this is because H. pylori infection is more common in people with type A blood. It is a bacteria that is normally found in the stomach. It can cause inflammation and ulcers.
Memory
A small study showed that people with memory problems had more blood type AB than everyone else.
Pancreatic cancer
If you are type A, AB, or B, your risk is higher. A and B red blood cell molecules help certain bacteria in your gut, called H. pylori, grow. It increases your risk of pancreatic cancer.
Stress
Stress increases your body’s levels of the stress hormone cortisol. People with type A blood have more cortisol. Therefore, you may find it difficult to cope with stressful situations.