Should Walmart be data-mining your Ozempic prescriptions?

Last week, Walmart made headlines with a claim that new weight loss drugs might be making people buy less food. Walmart US CEO John Furner told Bloomberg that people taking Wegovy, Ozempic, and similar drugs showed a “slight change” in their purchasing habits: “just less units, slightly less calories.” How does Walmart know this? Because, Bloomberg indicates, it can compare people’s prescription history against their food shopping patterns. It’s the kind of data …

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