Your immune system includes your body's cells, tissues, and organs, which work together to fight off infections and diseases. But how much do you know about it? When you understand everything that ...

Staying hydrated and physically active can help boost your body’s metabolism, potentially clearing nicotine from your system faster. Eating antioxidant-rich foods may also help. There isn’t a ...

Some exercises condition your cardiovascular system, while others strengthen muscles ... and sweep the left leg out in front of the body, all while holding the weight overhead.