Gina Kolata Nyt News Service

For the first time in 25 years, medical experts are proposing a major change in the criteria for Alzheimer's disease, part of a new movement to diagnose and, eventually, treat the disease earlier. The new diagnostic guidelines, presented Tuesday at an international Alzheimer's meeting in Hawaii, would mean that new technology like brain scans would...

Dr. Daniel Skovronsky sat at a small round table in his corner office, laptop open, waiting for an e-mail message. His right leg jiggled nervously. A few minutes later, the message arrived -- results that showed his tiny start-up company might have overcome one of the biggest obstacles in diagnosing Alzheimer's disease. It had found a dye and a bra...

On a recent Monday, Helen Elzo got a call from her doctor's office. A device implanted in her heart was not functioning. She needed to go to the hospital and have it replaced. She was aghast -- her heart is damaged and, at any time, can start quivering instead of beating. If the device, a defibrillator, was unable to shock her heart back to normal,...

For the first time in 25 years, medical experts are proposing a major change in the criteria for Alzheimer's disease, part of a new movement to diagnose and, eventually, treat the disease earlier. The new diagnostic guidelines, presented Tuesday at an international Alzheimer's meeting in Hawaii, would mean that new technology like brain scans would...

Dr. Daniel Skovronsky sat at a small round table in his corner office, laptop open, waiting for an e-mail message. His right leg jiggled nervously. A few minutes later, the message arrived -- results that showed his tiny start-up company might have overcome one of the biggest obstacles in diagnosing Alzheimer's disease. It had found a dye and a bra...

On a recent Monday, Helen Elzo got a call from her doctor's office. A device implanted in her heart was not functioning. She needed to go to the hospital and have it replaced. She was aghast -- her heart is damaged and, at any time, can start quivering instead of beating. If the device, a defibrillator, was unable to shock her heart back to normal,...