You no longer take ability score penalties for aging and cannot be magically aged. Any penalties you may have already incurred, however, remain in place.
Bonuses still accrue, and the druid still dies of old age when her time is up.
Prerequisites: Fort and Will saves +9.
Classes: Druid (15th), monk (17th)
Prestige Classes: Alienist (9th), holt warden (9th)