What does bmi attempt to measure

Your body mass index which meassures your height. And it is used to check if your weight and height are healthy together. Example: Sarah weighs 160 pounds and she is 5,2. She would be overweight. But if she was 5,2 and weighted 125 she would be normal weight.

Down below is a picture of how the chart looks like.

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.