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.
Sciatica is a term often mistaken for an actual medical condition. However, sciatica is a symptom of an underlying disorder that results from compression of the sciatic nerve, which originates in your spine and runs down the backs of your legs into your feet. Swimming may be a beneficial exercise for alleviating some of the symptoms of sciatica pain.