Charak Samhita
इष्टं च गुणसम्पन्नमन्नमश्नाति यो नरः। शश्वच्च बलवर्णाभ्यां हीयते न स जीवति ॥२३॥
In spite of taking suitable diet if person constantly loose strength and complexion indicates bad prognosis.
english translation
iSTaM ca guNasampannamannamaznAti yo naraH। zazvacca balavarNAbhyAM hIyate na sa jIvati ॥23॥
hk transliteration by Sanscript