it helps you burn fat and calories for weight loss.
It makes your heart strong so that it doesn't have to work as hard to pump blood.
It increases your lung capacity.
It helps reduce your risk of heart attack, high cholesterol, high blood pressure, diabetes, and some forms of cancer.
Lung cancer is very hard to treat and has usually already spread by the time it's discovered. This is because people who have symptoms usually hold off on seeing a doctor, thinking it is something else, or that it will go away. Early detection is extremely important in fighting this disease. Seeing a doctor right away with any signs like chronic cough, coughing up blood or any other concerns is paramount.
Better peer relationships, because he is doing activities with more people.
I would say swimming but imo karate requires more kicking with complex and diverse skills
BMI between 18.5 to 24.9 is required to have optimal cardiorespiratory fitness because weight directly affects the cardiorespiratory fitness.