If they want to gain loose weight then they would need to eat well, so taking in a normal amount of calories but exercising more. To gain wait, take in more healthy calories but not that much of an extreme work out.. Hope this helps.
Answer:
VIII vestibulocochlear nerve, easy to remember because of cochlear being in the word, cochlear implants have to do with hearing loss, yw :)
They all have sanitary/cleaning qualities.
over the counter medications would be a substance that may cause an addiction