The Galaxy Z Flip 4 is an iterative upgrade over the Flip 3. It sports the same design, display, and camera hardware. But there are improvements under the hood.

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Polio can be transmitted through an infected person coughing or sneezing - or by consuming infected food and water.

After thousands of lawsuits alleging cancer claims, Johnson & Johnson announced it is pulling talc-based baby powder off shelves by the end of next year.