President Donald Trump signed a memorandum on Tuesday pressuring pharmaceutical companies to abide by transparency laws in their advertising, particularly on social media. The administration will follow up by sending 100 cease and desist enforcement letters and thousands of warning letters to the companies, administration officials said. The goal, administration officials said on a call with reporters Tuesday morning, is to use laws that are already on the books to ensure people receive transparent, accurate information about drugs, especially potential risk factors. Administration officials pointed to medications or products that are promoted on social media sites like Instagram or TikTok with influencers who do not clearly identify as paid spokespeople. Multiple studies of pharmaceutical

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