The Food and Drug Administration has lifted the ban on blood donations from men who have engaged in sexual relations with another man. Now, in order to donate blood, a man will have had to have been abstinent for the period of one year prior to donation. This new policy is similar to the deferral period for a woman who has engaged in sexual activity with a man who had previously sexual activity with another man, or for someone who has traveled to a country where malaria is prevalent. The Food and Drug Administration released final rules on Monday that...