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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Fast forward decades, and Dr. Seuss would go on to become one of the world's favourite authors - with irreverent hits such as Horton Hears a Who! and How the Grinch Stole Christmas taking pride of place on children's bookshelves across the globe.

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