Progesterone

Progesterone was a type of chemical secreted by Human bodies. Males couldn't make testosterone without it while females who are pregnant produces large amounts. It was known to help repair brain damage.

When Omega Squad commando Fi Skirata was injured during a mission and was pronounced brain dead by medical droids, Jedi Knight Bardan Jusik healed him using the Force, stimulating Skirata's body to secrete large amounts of progesterone.

Appearances

 * Order 66: A Republic Commando Novel
 * Imperial Commando: 501st