7.4 diet, exercise and disease

• your weight and the amount of exercise you do can effect your risk of developing various diseases.
• eating too much food will make you overweight and possibly obese.
• obesity can lead to type 2 diabetes, high blood pressure or heart disease.
• people who exercise regularly have bigger muscles, bigger hearts and bigger lungs than those who don't.
• regular exercise lowers blood cholesterol and reduces fatty deposits in the blood vessels.
• building muscle tissue increases your metabolism and means you are less likely to be overweight.