Read this paragraph and select its main idea: A social…

     Read this paragraph and select its main idea: A social network usually acts as a support system for its members. It helps members maintain good physical and mental health or prevent physical and mental breakdown. It also reduces the risk of dying prematurely or committing suicide. There are several reasons for this. Our social network of friends, relatives, and co-workers can make us feel good by boosting our self-esteem despite our weaknesses and difficulties. Because they are more objective than we are about our problems, they can open our eyes to solutions that we are too emotionally distressed to see. The companionship from our network, strengthened by our frequent participation in recreational activities, can bring us joy while chasing away loneliness and worries. Finally, our friends and relatives often give us instrumental support–money, and other aid–to help us cope with our problems. All of these social and psychological factors have an impact on our bodily health. They keep our blood pressure and heart rate at low levels by reducing our brain’s secretion of stress hormones.