Serena Hostvet has trouble keeping her hand steady when drawing something simple like a pumpkin, and it infuriates her. “At this point, I would just give up,” said Hostvet, 43, of Eau Claire, Wisconsin. “Art is an essential part of me. Not being able to do it as often or as well as I used to is depressing.” It’s also how she makes a living. Hostvet designs jewelry and creates original illustrations for small businesses. “Everything I do is with my hands,” she said. Hostvet has multiple