Answer:
"When your body has to regularly break down that much alcohol, your blood and the functional cells in your liver accumulate a lot of potentially damaging toxic byproducts." is correct
I think your best options here are
15) opioids
16) anabolic steroids
Opioids mimic the natural structure of a neurotransmitter
Anabolic steroids are synthetic testosterone
Fad Diets (B) carry the most risk because they usually don't work and a lot of them are making you practically starve yourself and not allow you to get the essential nutrients your body needs.
Proteins are extremely important. They are large, complex molecules that are used for structural support, storage, to transport substances, and as enzymes. They are a sophisticated, diverse group of molecules, and yet they are all polymers of just 20 amino acids.
You take responsibility in protecting yourself from substance abuse whether that means being distant from someone who abuses substances, or not giving into peer pressure, or even just avoiding it all together and telling yourself and others no.