An avid yogi, skier and bicyclist, Christofferson said at 50, she has more energy, feels healthier and stronger than she did in her 20s. The series will be held at the Cozmic Café, 594 Main St. in Placerville. Doors open upstairs at 5:30 p.m. to get seated. The presentations will be from 6-7 p.m. The kitchen is open until 6 p.m.There is no cover charge.