When beginning an exercise program , a medical exam is?

A medical exam is mandatory meaning it should be done no matter the circumstances, whether you are wanting to wait to see if you lose some weight or for whatever reason, getting the medical exam done should be first priority.

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.