Exercise Importance

Your body was built to move. When you exercise regularly, every part of your body — from your heart to your bones to your brain — gets stronger and works better. Exercise is one of the most powerful things you can do for your health.

What exercise does for your body

• Heart: Exercise makes your heart beat faster, which trains it to pump blood more efficiently. Over time, a fit heart pumps more blood with each beat and works less hard at rest.
• Lungs: Exercise makes you breathe faster and deeper, which strengthens the muscles around your lungs and increases the amount of oxygen your blood can carry.
• Muscles: When you use muscles, tiny fibers in them get stronger and grow. Strong muscles protect your joints and help you move with less effort.
• Bones: Weight-bearing exercise — running, jumping, dancing — puts healthy stress on bones, which makes them denser and stronger.
• Brain: Exercise increases blood flow to the brain and releases chemicals called endorphins that improve your mood, reduce stress, and help you concentrate better.

What counts as good exercise?

• Any activity that raises your heart rate and makes you breathe harder counts — running, swimming, cycling, dancing, jumping rope, playing soccer, climbing, and even brisk walking.
• Children need at least 60 minutes of physical activity every day.
• Activities like watching TV, reading, or sitting at a desk do not count as exercise, even if they use mental effort.

How to exercise safely

• Warm up first — gentle movement for 5 minutes prepares muscles and reduces injury risk.
• Drink water — your body sweats during exercise and needs water to replace what is lost.
• Wear proper shoes — supportive shoes protect your feet and joints.
• Rest when needed — muscles repair and grow stronger during rest, not during exercise.
• Cool down afterward — gentle stretching helps muscles recover and reduces soreness.