What is true about prostatic cancer? a. none of the above
b. Is often detected by physician DRE.
C. all of the above
d. Having a blood test (PSA) can help with early detection.
e. It may be treated by deferred therapy, depending upon the age of the paient.

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. 

Why don't give me a problem to work with and i will you with the problem

The skills he need is to practice seeing and hearing

Hyper extension is the extension of a limb/body part beyond its limits