Planets indicate Diseases in human body and on planet earth

Diseases indicated by weak position of the planets in the birth chart !! 

Sun - blindness , bones related issues , calcium and sunlight gives vitamin d essential for bones 

Also look at condition of the 5 th house since its natural ruler of 5th zodiac the 5 th sign 

Moon - mind related issue 

Ruler of 4 th zodiac and hence look at the condition of the 4 th house 

Also chest area and lungs issues are seen through moon

Mars - blood related issue , high blood pressure , bone marrow , blood cells 

Natural ruler of 1st and 8th house , hence look at the condition of 1 at and 8 th house 

Ketu acts like Mars hence similar diseases.

Venus - sexual diseases , dibetese , eye problems , eye sight along Wid planet sun.

Pancreas and secretion of insulin 

Natural ruler of 2 bd and 7 th house hence check the condition of these houses as well before taking any decision

Jupiter - throat , liver .

Natural ruler ship of 9 th and 12 th house 

Saturn , also known as old man in Vedic astrology 

Old age issues , legs , leprecy, alcer , poison and cancer .

Natural ruler of 10 th and 11 th house 

Rahu acts like Saturn hence similar diseases.

Astrology chart can indicate the diseases but we as humans and top of the creation must meditate on gods name and get godly strength to deal with the health related issues 

And medical science research has made a lot of medical treatments to deal with these issue . 

Prevention is better then cure.