What causes things to rot or go bad?

Can a person live with only a brainstem? What are the three drainage systems of liver? What celebrities have achluophobia? When lactate builds up in a runners muscle it causes a burning sensations. What causes this to occur? What is involuntary voluntary jumping rope heart beating waving breathing? What is use for swollen face after a face lift? Is cheese good for teeth? Why are nipples so small? How many weeks pregnant are you if your hcg is 949 mIUL? After you have left your narcissist will he ever acknowledge that you have figured him out? Where does the blood vein moth love? Is chickpea flour good for diabetics? Who in one direction has a birthmark on his neck? Why does ADHD medication make my child angry and emotional? What is the statistics of a teen mom getting help from the father? How can using a nicotine substance help play user break the addiction to nicotine? How do you get your period in a day? Can A negative blood be donated to A plus blood? What is first step lactic acid fermentation? How do you test good posture using the plumb line test?