Nail biting happens Because people have anxiety. The nail biting relieves stress, tension, and or boredom.
Hope this helps
~QueenSupreme aka Black-Rose♥
Some forms of metabolism in the body are proteins, lipids, nucleic acids, and some carbohydrates.
Lean meats are included in a healthy diet.
Whole body: dehydration, fatigue, flushing, thirst, excess sweating, fainting, inability to sweat normally, light-headedness, low blood pressure, or nervous system dysfunction
Muscular: cramping, stiff muscles, or muscle spasms
Gastrointestinal: nausea or vomiting
Respiratory: fast breathing or shallow breathing
Also common: elevated core body temperature, fast heart rate, delirium, dry skin, headache, or mental confusion