In the Percy Jackson and the Lightning thief book, how would some demigods heal themselves like Percy did?

Hmm. I agree with the others about their ideas on Thalia. Maybe Beckendorf and the other guys from the Hephaestus cabin can heal themselves with fire? (uming that they don't burn themselves because their dad is the God of Fire) Perhaps the Apollo kids can soak themselves in sunlight? Aphrodite kids could just check themselves in the mirror (kidding XD )