Instruction: For each of the following questions, the underlined part of the sentence may contain problems in grammar, construction, word choice, and/or punctuation. Part or whole of each sentence is underlined-Given are five alternatives of phrasing the underlined section. Alternative (A) always repeats the underlined section exactly. Choose the best answer choice. According to the study, as the body ages, the chance that medications will cause harmful side effects are on the increase.