In response to past critics, Twenge and her co-researchers stress they are not trying to prove that the use of digital devices reduces young people's wellbeing.
在回应过去的批评时,特温格和她的同事强调,他们并没有试图证明使用电子设备会降低年轻人的幸福感。
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Salt is "a hidden factor in the obesity epidemic, " said Graham MacGregor, a co-author of the study by researchers at St. George's University of London.