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.
Altruism is when a person helps another without any interest in gaining benefits. In prosocial behaviour, there is a tendency to expect psychological or social rewards for helping behaviour. However, in altruism this is not the case.here is a difference between altruism and prosocial behaviour. â¢ In prosocial behaviour even though it is helping another there is a chance of gaining intrinsic or extrinsic reward. Also, the possibility for the helper to expect such a reward is possible. Simply in prosocial behaviour there is a gain for both parties.