Firstly because they are very unlikely to have the same range of side effects and secondly because in a number of cases it looks as though they have better chance of tackling the underlying problem rather than simply dealing with the symptom.
첫째로 부작용의 가능성이 없기때문이고 둘째로는 대다수의 경우에 오히려 단순히 증상을 다루는 것보다