Lost and Found

Re "Adopted Dogs, Cats Have Microchips," June 20: I wonder if it would be possible or practical to implant microchips in patients with Alzheimer's disease. I know of several cases, personally, in which a patient has wandered away from home or a care facility.

An implanted microchip would provide a means of identification to restore the confused elderly people to their homes.

Ingrid Ralston

Los Angeles

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