The only blood type which is most "problem"] is calle

Show original Experts Harward universities conducted large-scale research and found out, what blood type is most "fragile". About it writes a portal of city news portal "". It is a question of the fourth blood type. In group of risk there are its carriers with a negative Rhesus factor. These people need to be careful at once of a number of factors. First, they are threatened by senile dementia: the risk is 82% higher, in comparison with owners of other blood types. Secondly, owners of this blood type have very weak immunity...
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