Ask Dr. Helen

My a href=""column is up at PJM:/abr /br /blockquoteIs everyone motivated by some sort of self-interest when they engage in an altruistic act? Does that mean no charity or volunteerism is truly noble? PJM advice columnist Dr. Helen Smith offers her opinion. (Hmmm, why is she offering it?) /blockquotebr /br /Also, find out why some women are a href=""into serial sperm donors and more./a