AP - Don Hayen has a handy way of deflecting the instant pity that comes when he reveals his Alzheimer's disease: "But I haven't lost my keys all day," he quickly jokes.

AP - Surprising research suggests that childhood cancer is most common in the Northeast, results that even caught experts off guard. But some specialists say it could just reflect differences in reporting.

AP - Targeted brain surgery like that chosen for Sen. Edward M. Kennedy is a delicate balance — removing as much of the tumor as possible without damaging the patient's ability to walk and talk.

AFP - The cancer drug Erbitux prolonged the lives of patients with advanced lung cancer by five weeks, according to a new clinical study described as an important gain for such individuals.

AP - Surprising research suggests that childhood cancer is most common in the Northeast, results that even caught experts off guard. But some specialists say it could just reflect differences in reporting.

AP - A drug to prevent bone loss during breast cancer treatment also substantially cut the risk that the cancer would return, results that left doctors excited about a possible new way to fight the disease.

AFP - Acupuncture provides significant pain relief for patients after head or neck cancer surgery, according to a clinical study released at the annual meeting here of the American Society for Clinical Oncology.

AP - Noted neurologist Oliver Sacks has found common ground with the pastor of Harlem's Abyssinian Baptist Church: Both men believe in the healing power of music.