• Oushadha (Drug & therapies)
• Ahara (Diet)
• Vihara (Practices).

Ayurveda also includes Ahara as one among the tripods giving the first and foremost place to Ahara.

• Pathya (or a proper diet) is defined as the ahara which is congenial to the tissues of the body & relished by the person.
• The Pathya is the one which keeps the person healthy, maintains normal body functions leads to proper functioning of the organs, nourishes the mind and intellect, prevents diseases and at the same time corrects the irregularities that may occur in the body

• Human sense organs like sense organ of vision, keep regular contact with world outside, to perceive sensations.
• When the contact is not proper it is called incompatible correlation of sensory system with its respective sensations.

There are three varieties of incompatible correlations comprise.

• No contact or negligible contact (Ayoga _ Heenayoga)
• Excessive contact (Atiyoga)
• Contact with unnatural sensations (Mithya yoga ) )

Ayurveda has identified three main causes being
responsible for all sorts of diseases, avoidance of
which prevents the manifestation of diseases

• Misuse of intellect (Pragnyaparadha)
• Incompatible co-relation of sense organs (Asathmya
  Indriyartha Samyoga)
• Abnormal cycles of seasons (Ritu Viparyaya)