ஷயரோகத்தை யுண்டு பண்ணும் ஓர் வகைக் கிரகதோஷம் - An evil planctary influence said to develop consumption.
NOTE: Diseases are also supposed to occur without any assignable cause and sometimes they get cured in the usual course without medicines. Such facts are usually attributed to the meteorological hanges and their action upon the human system, which, the Therapeutic science is unable to make out. For further details see under கிரக தோஷம்.**