Well, for starters, all the planets' names come from the Roman names of the Greek gods. Mercury=Hermes
Venus=Aphrodite
Earth=Gaea, the Earth
Mars=Ares
Jupiter=Zeus
Saturn=Cronus
Uranus=Ouranus,...
The Greek goddess of health was Hygeia, which the word 'hygiene' derived from. She was the daughter of the medicine god Asklepios and sometimes attendant to Aphrodite, the goddess of beauty and love.