WASHINGTON (Reuters) - Older patients with colon cancer are less likely to receive chemotherapy after surgery than younger people but have fewer serious side-effects when they do get the treatment, U.S. researchers said on Tuesday. When older patients do receive the treatment, it tends to be at a less toxic dose and over a shorter period than younger patients receive ...

CHICAGO (Reuters) - People with a family history of Alzheimer's disease often have clumps of a toxic protein in their brains even though they are perfectly healthy, researchers said on Monday. They said the findings could lead to new ways to identify people most likely to develop Alzheimer's disease, when there is still time to do something about it ...

BOSTON (Reuters) - U.S. regulators said on Wednesday they have found no link between oral bisphosphonate osteoporosis medications such as Merck & Co Inc's Fosamax and certain thigh bone fractures. The Food and Drug Administration issued its statement following the publication of case reports of atypical subtrochanteric femur fractures -- or fractures in the bone just below the hip joint ...

A promising Alzheimer's disease drug Pfizer Inc. and a partner are developing failed to work in a late-stage study, a startling disappointment after the potential blockbuster kept symptoms from worsening for a year in a prior test. Pfizer and partner Medivation Inc. said Wednesday ...