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

krasnoyarsk.pulscen.ru 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 "ProKazan.ru". 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...