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.
Think of swimming as active recovery for running. You are still working out, but the water helps soothe sore muscles. You also use different muscle groups during a swim like your upper body and core. Strengthening these muscle groups will help you to keep your form together during a tough running workout or a race.hink of swimming as active recovery for running. You are still working out, but the water helps soothe sore muscles. You also use different muscle groups during a swim like your upper body and core. Strengthening these muscle groups will help you to keep your form together during a tough running workout or a race.