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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that a_0=y_0. We can produce similar equations for the other

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@dataclass) adds a new __init__ method to a class.

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