Bad breath, bad taste in the mouth , smelly hair and clothes , addiction to nicotine
Answer: Your answer is B, "It improves the efficacy of workouts."
Explanation:
"It requires a lot of assembly to use" is not a good benefit at all.
"It does not account for new technology." If nothing is new, why get it?
"It generally costs less than low-quality products." If it cost less than low quality workout equipment, then you can almost garuntee it will not work well.
it is bad for you not to eat for a day or two just to lose weight
Abstinence means to avoid or not want to do something. It is preferred that high school children under the age of 18 restrain from sexual activity. (Hope this helps if it did pls mark brainliest!)