New studies from the Children's Hospital of Boston and the University of Chicago now point to more genetic links to autism. Studies indicate that as many as nine in ten children with autism may have some genetic reason for the disorder.
There is new concern Monday that the osteoporosis drug Fosamax may increase the risk of an irregular heartbeat. Researchers suspect that about 3% percent of all new atrial fibrillation cases in postmenopausal women can be linked to using this drug. (Study published in The Archives of Internal Medicine.)
Blood donors are always in big demand so researchers were hopeful that a blood substitute could be the answer. However, government researchers pooled data from 16 human studies of blood substitutes involving 3700 patients and found that those given hemoglobin-based blood substitutes had a three times higher risk for heart attack and a 30% increased risk for death. (The blood substitute report is in The Journal of the American Medical Association.)