See Inside June/July 2007

The Scent of Science

The nose knows: a "sniff test" may detect Alzheimer's disease early.

Most of us do not give our sense of smell a passing thought unless there are cookies in the oven or flowers in bloom. But scientists are probing this underappreciated sense to better comprehend the workings of our brains, from memory formation to Alzheimer’s disease. Some of the latest findings:

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