Aries rules the head. Aries is prone to migraines, head injuries, sinus pressure.
Taurus rules the throat.
Gemini rules the nervous system, shoulders, lungs, arms, hands and fingers. Gemini is prone to carpal tunnel syndrome, anxiety problems, smoking-related illnesses, breathing issues.
Cancer rules the breasts, chest and stomach. Cancer can have big digestion problems, and struggles with weight.
Leo rules the heart and spine. If Leo doesn't follow passion and know joy, there can be heart disease.
Virgo rules the digestive system.
Libra rules the kidneys.
Scorpio rules the sex organs.
Sagittarius rules the thighs.
Capricorn rules the knees.
Aquarius rules the ankles.
Pisces rules the feet.