but the study of the correlation between the positions and the movements of the planets, the stars and other celestial bodies and events on earth.
It is the firm belief of the astrologers that the placement and the movements of the heavenly bodies - the Sun, Moon, and the nine planets of the galaxy, at the time of birth of an individual have a direct influence on his/her character.
In paralysis the nerve damage can be either in the central nervous system or in the peripheral nervous system. It can either affect a particular portion of your body or completely.
It is referred as paraplegia when it affects the lower half of your body and as quadriplegia if the arms and legs are affected.In a natal chart the 8th house is supposed to be malefic because it rules diseases and death.
Similarly the 8th lord is considered to be as a malefic planet and can destroy any Bhava or House. Thus when the 8th lord is afflicting the 8th house it results in a weak body though it is considered to be good for longevity.
The Ayus or the life time of an individual is governed by the planet Saturn and its presence in the 8th house is considered good for longevity. Anyhow a long suffering life is indicated, as Saturn can give immense sorrow .Thus a person with paralysis and tumors afflicted by this planet may lead to a chronic condition.
When the planet mercury occupies the house of death then it results in paralysis and nervous diseases.
Ravi is also considered not to be good for health for Ravi in the eighth house;
it causes defects in eye sight, high fever due to infection of urinary trac, migraine, facial paralysis etc.