Leo is in charge of just one organ, but it is the most important one: the heart. This sign is in charge of almost all kinds of heart problems. In a kind of reflex action with Aquarius, its opposite sign, Leo may also sometimes be to blame for different kinds of back problems. Aquarius is in charge of the spinal cord, and Leo is in charge of the bones that protect it.
When the Sun is in Leo, it can cause heart and back problems, as well as fever that is not caused by a virus.
Moon in Leo. This arrangement can cause fainting, seizures, and heart problems, especially if the heart is enlarged.
When Venus is in Leo, it can cause problems with the bone marrow, the spine, and the aorta.
Mars in the sign of Leo. Heart attacks, palpitations (which could be caused by a thyroid problem), aneurysms caused by extreme physical stress, hypertrophy, dilatatio cordis, angina, pericarditis, endocarditis, sunstroke, muscular rheumatism in the back, scarlet fever, and rheumatic fever are all possible with this configuration.
Jupiter in Leo can be a sign of fever, stroke, heart or aortic artery damage from high cholesterol, heart palpitations, and a larger-than-usual heart.
Satum in Leo. With this placement, there is a chance of hardening of the arteries, narrowing of the arteries or veins that lead to the heart, atrophy of the heart, weak muscle action of the heart, locomotor ataxia from not getting enough calcium, magnesium, or potassium, heart “skipping,” a smaller than normal heart, and a deformed spine.
Uranus in the sign of Leo. Uranus in Leo can cause irregular heartbeats, jerky palpitations (which could be a sign of a thyroid problem), and sudden attacks of angina pectoris.
Neptune in Leo can cause a weak heart, low blood pressure from the heart’s slow movement, and a weak back, among other problems. Light to moderate exercise can help strengthen the heart’s movement and loose back muscles.
Pluto in Leo can cause sudden heart attacks that last for a long time, heart transplants because of severe damage to the heart muscle, and back problems that last for a long time.