Onychophagia or nail biting is a common oral compulsive habit in children and young adults, affecting around 30% of children between 7 to 10 years and 45% of teenagers.
Bitten fingertips can become very sensitive to pain, usually at the place the skin meets the edge of the nail.
Posted in Diseases 
Tags: Aesthetic Aspect, Bacteria, Behavioral Therapy, Bitter Flavor, Compulsive Habit, Cuticle, Dental Problems, Fingertips, Hangnails, Hrt, Mouthpieces, Nail Cosmetics, Nail Polish, Nails, Onychophagia, Pinworms, Saliva, Stimulus Control, Viral Infections, Young Adults 
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Digestion is the breaking down of chemicals in the body, into a form that can be absorbed. It is also the process by which the body breaks own chemicals into smaller components that can be absorbed by the blood stream.
Posted in Diseases Tags: Blood Stream, Bloodstream, Cells Of The Body, Cephalic Phase, Digestion Of Food, Digestive Enzymes, Digestive System Diagram, Excretion, Food Food, Gastrointestinal Tract, Human Digestive System, Human Digestive System Diagram, Large Intestine, Muscular Contractions, Saliva, Small Intestine, Small Pieces, Surface Area, Thin Tube, Waste Material Comments Off
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