How do you stop nits from hatching?

What are the symptoms of Lichen Planus? Do you get sores on the body from alcoholism? What happens to your respiratory system when your pH is low? How does alcohol go from a mothers stomach to the fetus brain? Is seman supposed to be chunky? Which parts of the body does TB attack? List two muscles that are attach to Humerus bone? Is it safe to eat pool salt? My period is usually heavy and have been having it every month but this month im barely bleeding its a light brown and doesnt fill a pad just like spots it and when i wipe its nothing whats this mean? Which kind of changes can not be easily reversed? What is produced by secondary ossification centers? How long does a broken wrist take to mend? What is the tissue of the brain and spinal cord containing nerve cell bodies? Are humans nerves insulated? Can AIDS be treated with antibiotics? How long can you live without chemo with pancreatic cancer? Which disease is transmitted by contaminated serum in blood transfusion or by the use of contaminated needles or instruments? Are women with uncircumcised men more prone to bacterial vaganosis? What is the difference between myopia farsightness and nearsightness? Where is the inferior vena cava located?