A new study shows that people, who donate a lot of blood, suffer no serious ill effects and may even live longer than less frequent donors.
A new study concludes that regular blood donors are not at a greater risk of a premature death than those who rarely donate blood.
The results even suggest that the most frequent donors may live longer than those who have only given blood a few times.
More at link:
http://sciencenordic.com/frequent-blood ... ive-longer