

Ayurveda describes aggravation (vitiation) of Vata and accumulation of Pita in Varsha ritu (Rainy/monsoon season). This is the major cause of various diseases occurring during the rainy season. The food and lifestyle should thus be such which helps in balancing Vata and Pitta
Dietz: Water available in the reservoirs during monsoon is comparatively heavy to digest and the metabolism is sluggish during this period. An individual is likely to experience loss of appetite. Hence following changes in diet and lifestyle is advisable during monsoon:
lifestyle: Consumption of healthy diet only may not provide desired results unless it is supported by lifestyle beneficial for monsoon. Following are the tips for the important changes in lifestyle of the rainy /monsoon season.
NOTE: As per Ayurveda abrupt changes of diet and lifestyle suitable for a particular season need to be avoided. The changes must be gradual over a period of 15 days by giving up the earlier lifestyle and adopting a new one for the acclimatization. If abrupt changes are brought, the body may not be able to cope with them and this could lead to problems.
Source: National Health Portal