<span>What are some external influences that may lead a person to be at risk for anorexia?
</span><span>Puberty and physical and psychological transformations, the first rules the discovery of the other sex and first love or the first break, sometimes a sexual assault, rape or an incestuous relationship, -changing schools, -moving house - leaving the parental home, -parental divorce, - bereavement, -unintentional weight gain. - mockery and unpleasant remarks of the entourage - reading articles (press, internet) or the vision of television reports on the benefits of thinness, of a particular scheme, the harms of being overweight, - seeking identification to a known model (actress, model, singer, etc.) or a more theoretical feminine ideal, -initiation to the plan by a friend or a relative, sometimes at the request of a doctor.</span>
After a muscle fiber is stimulated by a nerve signal, a release of stored calcium ions leads to muscle contraction.
Common electrolytes include sodium, chloride, magnesium, calcium and potassium.
Sodium and potassium help in the generation of nerve impulses while calcium aids muscle contraction. Sodium is also actively involved in the movement across cell membranes.
