Most conditions that cause leg pain arise slowly, and home care should be individualized for each patient. One's health-care provider is an important resource for diagnosis, prevention, and treatment. If acute pain with leg swelling or loss of feeling associated with a cold leg occurs, medical care should be accessed immediately.
a person unselfishly concerned for or devoted to the welfare of others (opposed to egoist). Origin of altruist. French. 1865-1870.
For the purpose of our study, we prefer a definition that relies on objective, measurable criteria. We characterize a behavior as altruistic when: it is directed towards helping another; it involves a high risk or sacrifice to the actor; it is accomplished by no external reward; it is voluntary.