How do we catch viruses and infectious diseases?

What is the standard operation for prostate enlargement? How is muscle spasm treated in a person with a dislocated jaw? How does smallpox attacks and spreads? Can pregnancy symptoms occur due to wishful thinking? Why can't you eat chocolate with braces? Is Werner's Syndrome caused by DNA disintegrating? How much blood is drawn when donating? Do blind people have toilet problems? What is the function of the pelvic? Why do vaginas smell so bad? What does night sweats at 85 years of age mean? Is there a mental illness that involves cycles of depressive or dysthemic episodes without hypomanic or manic episodes that isn't dysthemia? What causes gaulding? Society has changed its view on smoking since the 1960. What was the major cause of this change? Can cellophane hair treatment treats burn hair from other treatment? Why are preventative health care programs such a free flu shots essential for communities? How does the heart receive blood into it? When someone die from suicide of asphyxia does that mean they hung themselves? What does it mean if a pregnant women throw up when drinkin water? What are the symptoms of heat exhaustion and dehyrdation?