This is the 11207th most frequent Korean word.
기저질환이나
"Underlying disease or condition."
The phrase '기저질환이나' (underlying health condition or...) is used to introduce one factor among multiple that requires attention.
그는 기저질환이나 건강한 식습관 때문에 특별히 신경을 쓰고 있다.
He takes special care due to underlying health conditions and healthy eating habits.
Here, '기저질환이나' precedes a choice or possibility that could impact the outcome discussed.
기저질환이나 격렬한 운동은 그의 상태를 악화시킬 수 있다.
Underlying health conditions or intense exercise can worsen his state.
In this context, '기저질환이나' serves to list options or considerations relevant to the subject.