Vitamins can provide extra energy and stimulate appetite. Vitamins do not contain calories, so they can't supply energy. Unless your child has a vitamin deficiency, his or her energy level or appetite will not be affected by vitamin supplements. Cracking knuckles and other joints will cause arthritis. There is no evidence that cracking joints will impair joint development or lead to arthritis.
Heat helps wounds heal.
The use of hair dryers and heat lamps dry out the wound bed and slows the healing process. Television stunts the healthy growth of a child's brain. A number of claims have been made that television viewing could have detrimental effects on brain development. An extensive review of the published scientific literature turns up no evidence that this is true. Parents should, however, continue to monitor the amount and content of television their kids watch as it can lead to obesity from lack of exercise and may influence behavior.