Big Pharma giant Pfizer confirmed on Wednesday that it will settle more than 10,000 lawsuits over allegations that the company failed to warn people about possible cancer risks caused by their Zantac product. Zantac is the company’s once-popular anti-heartburn medication featured in a multitude of television commercials, many of which featured an animated fireman character. But in 2020, the Food and Drug Administration warned that Zantac and its generic version, called ranitidine, should be pulled from the shelves after a cancer-causing substance called NDMA was discovered as a contaminant lin…