Leo rules the heart, spinal cord, liver metabolism, spleen, pulmonary arteries and aorta, superior and inferior vena cava, the back, forearm and the twelve dorsal vertebrae. The diseases of Leo predominately involve the heart. Nervous tension can affect the heart with palpitations, Heart Attack and the like. Fevers are common, especially heart-related issues such as pericarditis and rheumatic heart disease and is linked to jaundice and eye problems. Infertility can be a problem.

Activities - horse racing, horse riding, wrestling, weightlifting, discus, javelin, bowling, polo, hunting, as well as disciplines implying patience such as yoga and tai-chi.

Eat - Magnesium phosphate forms blood albumen and maintains the fluidity of the blood, and activates the digestive enzymes. Foods that contain this element so important to Leos are whole wheat and rye products, almonds, walnuts, sunflower seeds, figs, lemons, apples, peaches, coconut, rice, seafood, beets, asparagus, and egg yolk. Foods that aid the circulation and have blood-making properties include beef, lamb, poultry, liver, fresh fruit, salad greens, cheese, whole milk, and yoghurt Foods rich in iron, such as spinach, raisins, and dates, are recommended for Leo. Plums, pears, and oranges can help reduce heart strain.

Don't Eat - Time does catch up with them, and they must learn to eat correctly and cut down on fatty foods.