Jataka Tattva · by Mahadeva
Chapter 3 · Body, Nature, Health: the 1st House
प्रकीर्णतत्त्वम् : अङ्गविचारः (प्रथमविवेकः)
स्वांशेऽङ्गेशे शुभयुते वा शुभदृष्टे देहसौख्यम् ।
Say the lord of the 1st house is in its own navamsha (one-ninth part of a sign). Good planets also join it or aspect it. Then the body is at ease and healthy.
अङ्गेशोऽङ्गे देहसौख्यम् ।
Say the lord of the 1st house is in the 1st house. Then the body is at ease and healthy.
सपापेऽङ्गेशे त्रिके देहसौख्यं न ।
Say the lord of the 1st house is joined by bad planets. It sits in the 6th, 8th or 12th house. Then the body is not at ease.
लग्ने पापा लग्नेशे च हीनवीर्ये देहसौख्यं न ।
Say bad planets are in the lagna (rising sign). The lord of the lagna is weak. Then the body is not at ease.