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 ...

DRUG DISAPPOINTMENT: After strong results in a midstage study, an Alzheimer's drug Pfizer Inc. is developing with a partner unexpectedly failed to work in a late-stage patient test. WHAT'S NEXT: Scientists at Pfizer and Medivation Inc. will analyze the data to try ...