Alzheimer's Hat Draws Skepticism

"We got all kinds of phone calls from families," he says. "To report this dishonestly is really a disservice to the public."

And he says the news of the Alzheimer's hat will likely turn out to be another disappointment for a hopeful public.

"You can imagine how excited people would get if they thought a hat or hairnet that shot rays into the head would make a difference in Alzheimer's disease," he says. "I think we can approach these kinds of things with cautious optimism at best."

Human Trials on the Way

Still, Dougal says he is hopeful that human trials will show that infrared treatment has some positive effect against the disease, which affects more than 5 million people in the United States alone.

He says human trials are slated to begin this summer, and he adds that more conclusive results on the effectiveness of the Alzheimer's hat should be available by the end of the year.

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