MICHAEL WHARRAD HELD the envelope in his hands, certain of what the paper inside would tell him. A decade earlier, he'd been diagnosed with Parkinson's M disease. For a year, the former investment banker had participated in a drug trial at London's National Hospital for Neurology and Neurosurgery.
Researchers were testing whether a medication approved to treat Type 2 diabetes could also treat Parkinson's symptoms. Every day, Wharrad had received a dose of either the drug or a placebo, but he never knew which.
During the trial, Wharrad thrived. His joints ached less, and he could get up from a chair more easily and take walks around the block. He also noticed that his memory seemed stronger. Friends and family commented on his obvious improvement. "My wife and I were convinced I was taking the drug," he says.
But at his end-of-trial meeting with one of the researchers who also didn't know whether or not Wharrad, then 72, had been on the drug-he was delivered a surprise. When he opened the envelope to find out what he'd been taking, he saw the word "placebo." "I was speechless," he says. "I had been feeling so much better."
A PLACEBO CAN be a sugar pill, a saline injection, or a glass of colored water-inert treatments that shouldn't produce a physiological response.
But they often do. Wharrad's case is not unusual. In fact, placebos are increasingly proving to be more powerful than active drugs in trials-and they may just be the key to reducing our dependence on medications.
この記事は Reader's Digest US の September 2022 版に掲載されています。
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この記事は Reader's Digest US の September 2022 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、8,500 以上の雑誌や新聞にアクセスしてください。
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