Why it is harmful for humans?

Effect of magnet on human eyes? How greenery help in healthy life? What two words describe a decreased level of consciousness that does not put patients completely to sleep and that allows the patients to breathe on their own during a surgical procedure? White stuff under nails after you scratch your head? What are the long term effects of improved stenghs? Sudden change of mind? Is confrontation good or bad? How many platelets is too many? A bottle containing solid iodine rystals fills with a violet haze upon standing at room temperature? How do you flush ketamine out of your system? How do you compare factors that encompass psychological health? Why do you keep needing a pee? How can you take good care of an asmatic person? How does laughing help you live longer? Thickening agent in many foods or in goobers? When you blow your nose why does air appear to come out of your eyes? Did Candy Hemphill and her husband separate? Can the learner imagine something which he has not first experienced through senses? What does it mean when a girl says aww after you said you like her over text? How does salt harm your body?