Drugs like Nexium, Prevacid, and Prilosec are called proton pump inhibitors, or PPIs, and they've been linked to a bigger risk for dementia. PPIs reduce the amount of acid that your stomach makes.

AstraZeneca confirmed this morning it has agreed to pay $425 million to settle lawsuits brought in the US that claim its heartburn therapies Nexium and Prilosec caused kidney damage and other ...