Answer:
American essayist, poet, and practical philosopher Henry David Thoreau is renowned for having lived the doctrines of Transcendentalism as recorded in his masterwork, Walden He was also an advocate of civil liberties Explanation:
His mentor was Ralph Waldo Emerson
I believe the answer is individuals. The drug side effect is the result of the interaction from the substance contained by the drugs and the environment in our body. It means that the effect will be influenced by the individual's age, weight, height, gender, etc.
Ok. try reading something interesting or smth. Not my problem.
