A new study shows that exposure to two specific 'forever chemicals' may accelerate biological aging, especially in middle-aged men. Researchers revealed a link between faster epigenetic aging, and two of these alternatives, PFNA and PFOSA, a precursor of PFOA.

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从定西张川城的黄土城垣到重庆江津的石佛寺，“我家门口有文物”这句话里有不同的风景，却藏着相同的守护与传承。

Фото: Кирилл Зыков / РИА Новости

防风防寒，更多细节参见爱思助手下载最新版本

Wuji co-founder, Yunzhe Pan, says the hand is durable as well. "And we will make it more durable in the next generation," he adds.

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