The answer is red blood cells because they only give your body oxygen and can be the victims of infectious diseases, while all the other choices protect you from it
A large protein molecule responsible for facilitating biochemical reactions within the body. ... Chemical substances that are absorbed by the body through the process of digestion. nutrition. The proper supply of nutrients essential for growth, reproduction, repair, immunity, and energy.
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it could effect you because you could have one of the best times of your life!! but in all jokes aside most substances are unsafe to use and or addictive, however is you use non addictive safe drugs like lsd or weed you should be fine however i dont recommend it considering its illegal.