The causes of leg pain can be musculoskeletal, neurological, or vascular. Shin splints and stress fractures can result from repetitive sports, such as running. Leg pain can sometimes indicate a serious vascular problems.
Noun. 1. altruism-the quality of unselfish concern for the welfare of others. selflessness. unselfishness-the quality of not putting yourself first but being willing to give your time or money or effort etc. for others; rural people show more devotion and unselfishness than do their urban cousins.
Example Sentences for altruists. 1  Therefore we are altruists in charity, missionaries of humanity, patriots at home. 2  They were, they unblushingly admitted, altruistsâinterested only in helping others. 3  The world owes these altruists, and all who have followed in the development of their work, a debt of happy gratitude.