Depending on who you are writing to, then you change your voice in the article.
ex:
to a friend: hey man
to a teacher: Hello, Mr./Mrs./Ms. _____
et.al
The answer is evaluating your present state of health. Best way to do that is to consult your doctor
and to see if you are fit enough for strenuous exercises. The next thing got a gym have the trainer
devise a plan to fit your health goals.
That way you will know the right type and amount of exercise you need to
be fit.
The parts of the body that can experience negative physiological effects from alcohol is the brain, skin,heart,the stomach and the liver.