Texas Attorney General Ken Paxton on Tuesday accused the companies behind Tylenol of deceptively marketing the pain reliever to pregnant mothers in a lawsuit that asserted unproven claims that early exposure to acetaminophen increased risk of autism and other disorders.

Paxton , an ally of President Donald Trump and a Republican candidate for U.S. Senate, announced the suit against Johnson & Johnson and Kenvue weeks after Trump and Health Secretary Robert F. Kennedy Jr. asserted an unproven link between the pain reliever and autism while announcing a wide-ranging effort to study the causes of the complex brain disorder .

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The suit alleges that the companies violated Texas consumer protection laws by hiding the danger that acetaminophen, the active ingredient in

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