Breaking these large molecules into smaller components involves: 1  movement: propels food through the digestive system. 2  secretion: release of digestive juices in response to a specific stimulus. 3  digestion: breakdown of food into molecular components small enough to cross the plasma membrane.
Over-the-counter pain relievers, like Advil (ibuprofen), Aleve (naproxen sodium) and Tylenol (acetaminophen), are presumed to be safe. Since they don't require a prescription, directions and warnings aren't always taken seriously.
1 This article explains the dangers of using ibuprofen (MOTRIN, ADVIL) because it interferes with the protective effect of low-dose aspirin to prevent blood clots and protect against heart attacks or strokes. 2  Find out how these two widely-used therapies have a harmful interaction and what you should do.