[Jarasambhavajaja klaibya (impotency due to senility)] The impotency due to senility is being described here for understanding. Age has been categorized in three groups – jaghanya (early), madhya (middle) and pravara (elder) age group.
रसादीनां सङ्क्षयाच्च तथैवावृष्यसेवनात् | बलवीर्येन्द्रियाणां च क्रमेणैव परिक्षयात् ||१७८||
Generally, lesser semen is in elderly person due to deficiency of rasadi dhatu, consumption of avrishya (non-aphrodisiac) food, gradual loss of strength, energy and sensory-motor organs,