Why do nits exist?

What colors would you use to represent blood? Some hypnotized people are not good witnesses because no people who mix fact with fantasy are good witnesses and some hypnotized people who mix with fantasy? Where is the 12 year old molar located? What causes epidemic typhus? How did Mr. Lockwood got a nose bleed? What is the treatment for bug bites? What is the longest nipple recorded for a woman? How do babies get staph rash? Can Tapeworms grow to be large in human intestines? How safe is infrared treatment of hemorrhoids? What stage during puberty will menstruation begin? How did plague help lead to an economic collapse in the third century? A resistance to blood flow due to friction between blood and blood vessel walls is called what? What is a cold snare in a colonoscopy? Does the liver contain lymphatic tissue? What is Justin Sorg's phone number in Toronto? If you had unprotected sex a week before your period and had your period could you be pregrant? Do second babies come sooner in pregnancy? Why does eye color change so often your eyes are light brown in the spring and summer then changes dark brown for the fall and winter and every once in a while a gold color why does it do that? How is the goiter in thyroid gland detected?