Ashtangahridayasamhita 128

128

praty-ahaṃ kṣīyate śleṣmā tena vāyuś ca vardhate |
ato 'smin paṭu-kaṭv-amla-vyāyāmārka-karāṃs tyajet || 27 ||

Every day phlegm decreases and by that wind increases;
therefore in this [season] one should avoid pungent, bitter, and sour foods, exercise, and the sun's rays. || 27