Can blood type really determine life expectancy? People with type A blood are more likely to have a stroke before the age of 60? The truth is out!

In daily life, we often hear various sayings about blood types, such as people with type A blood are more likely to suffer from cardiovascular disease, people with type B blood are more likely to get diabetes, people with type O blood have the longest life span, etc. Are there any scientific basis for these sayings?

Type A blood: Higher risk of stroke?

A study published in the American journal Neurology pointed out that people with type A blood are more likely to suffer a stroke before the age of 60. The study covered 48 previous studies involving 17,000 stroke patients and nearly 600,000 healthy people. The results showed that people with type A blood have a 16% higher risk of premature stroke than people with other blood types.

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Research from the Fuwai Cardiovascular Hospital also showed that the diagnosis rate of coronary heart disease in subjects with type A blood was significantly higher than that in subjects with other blood types, which may be related to their higher levels of total cholesterol and low-density lipoprotein cholesterol.

In addition, there are many studies on the relationship between different blood types and the risk of other diseases:

Type B blood: Increased risk of diabetes

A large cohort study in France showed that people with type B blood had a 21% increased risk of developing type 2 diabetes compared to people with type O blood.

AB blood type: Higher risk of heart disease and blood clots

According to a study from Harvard University in the United States, subjects with type AB blood have a 23% higher risk of coronary heart disease than those with type O blood, while a study from the University of Vermont Medical School showed that people with type AB blood have an 83% higher risk of stroke than those with type O blood.

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Blood type O: Higher risk of peptic ulcer

People with type O blood are at a significantly higher risk of Helicobacter pylori infection than those with other blood types. This bacterium is an important cause of peptic ulcers. A study in the Chinese Journal of Medical Research pointed out that people with type O blood have a 1.5 to 2 times higher risk of developing peptic ulcers than those with other blood types.

Cancer risk linked to blood type?

A 25-year study by Shanghai Jiaotong University found that subjects with type A blood had a higher risk of digestive system tumors. In contrast, people with type B blood had a 22% and 25% lower risk of colorectal cancer and stomach cancer, respectively, people with type AB blood had a 32%, 24% and 17% lower risk of colorectal cancer, stomach cancer and pancreatic cancer, respectively, and people with type O blood had a 15% lower risk of pancreatic cancer.

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Stick to these 5 habits and you may live 10 years longer

Experts say that although blood type may be related to the occurrence of some diseases, we cannot determine the specific extent of its role, so there is no need to worry too much. Instead of dwelling on things that cannot be changed, it is better to focus on healthy living, which is more meaningful for preventing diseases.

A Harvard University research team found that adhering to the following five healthy habits can extend your life by ten years:

1. Never smoke: Smoking damages all organs and systems in the body and increases the risk of cancer.

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2. Drink in moderation: Alcohol is a clear carcinogen, so don't drink if you can . If you can't avoid it, you must control your drinking, don't drink on an empty stomach, and don't drink mixed drinks. Especially for those who are obese or have liver disease, it is best to quit drinking.

3. Control your weight: Keeping your BMI between 18.5 and 23.9 helps reduce the incidence of many diseases. The formula for calculating BMI is weight (kg) divided by height (m) squared.

4. Keep exercising: Adults should do at least 30 minutes of moderate to high intensity exercise every day . You can choose low intensity exercise at the beginning, and then gradually increase the intensity, which can effectively enhance physical fitness.

5. Healthy diet: Eat a diversified diet, eat more fruits and vegetables, beans, nuts, whole grains and polyunsaturated fatty acids , and eat less red meat, sugar, pickled foods and processed meat.