YOU PROBABLY DON’T spend a lot of time wondering just how hard your stomach works to break down your grub. Food goes in, waste goes out, and if everything’s working as it should, you probably don’t give it much thought.
But inside the stomach is a highly acidic environment; this quality is crucial to break down food and provides some protection against some bacteria or other pathogens that might crawl their way into our food.
Image: The small RoboCap device pictured here could make medicines more effective, save money, and revolutionize health care.TRAVERSO LAB/MIT AND BWH
