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.
If you donât love working up a sweat but do love the benefits of a cardio workout, swimming may be your ideal match. The water keeps you cool, even as your heart gets a great workout. Youâll probably be able to keep yourself going for a longer time than if you were running. Thatâs because itâs fun and gentle on your joints and muscles. The water can also feel relaxing. Plan on doing 2 1/2 hours of swimming a week.