Serious viral pneumonia is more likely to happen in those with a weakened immune system, such as: Babies who are born too early. Children with heart and lung problems. People who have HIV/AIDS. People receiving chemotherapy for cancer, or other medicines that weaken the immune system.
Lower back pain: How exercise helps. When you're in pain you may feel like resting, but staying active is good for your back. Exercises for lower back pain can strengthen back, stomach and leg muscles. They help support your spine, relieving back pain. Ideally, choose activities that involve endurance,strength and flexibility such as walking, swimming or cycling.
That depends on what you are trying to accomplish as a swimmer. Swimming is a healthy activity that can be continued for a lifetime. The health benefits swimming offers to a swimmer are worth the effort it takes to get to the swimming pool, get into your swimsuit, and then get into that pool and swim. 1  If you do not know how to swim, taking swimming lessons or teaching yourself how to swim better are great ways to help you to enjoy fitness swimming.