How is your father?
Kana is full of energy.
He seemed fine but apparently he had a bad diarrhea.
What is the origin of your energy? It is your health. This word also means energy, and when it's used as an adjective it means healthy or energetic.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.