A little-known biological factor, present in each of us, may play a key role in our vulnerability to disease. Recent studies have established a surprising link between blood types and the risk of developing certain cancers. What if your biological identity card held this precious clue?
Knowing your blood type: valuable information that goes beyond emergency situations

Blood type isn’t just a useful medical feature for transfusions. This biological characteristic could actually reveal much more about our health. Recent studies suggest it could influence our predisposition to certain pathologies, including various types of cancer.
Frequent ignorance of one’s own blood type

Contrary to popular belief, many people are unaware of their blood type until a significant event occurs: a hospital exam, pregnancy, or a blood test. Testing laboratories generally do not include this information during routine blood tests.
Although it is possible to make an assumption based on parental blood types, this method lacks precision. To obtain a reliable answer, a specific test is still necessary—often offered free of charge during donation campaigns organized by the EFS.
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