National

Jul 12, 2010 9:17 AM by Bea Karnes, News First 5

Alzheimer's advances show need for better drugs

Scientists are reporting advances in detecting and predicting Alzheimer's disease at a conference in Honolulu this week. There are better brain scans to spot signs of the mind-robbing illness, and more genes that affect risk.

Studies show that getting enough exercise and vitamin D may lower your chances of developing Alzheimer's. One study finds that people who get moderate to heavy exercise are half as likely to get dementia as less active people are.

However, researchers say work is still needed to find a drug that can slow or stop the disease. Current drugs only treat symptoms.

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