The hottie actor Zac Efron, who doesn't like being called a heartthrob, is featured on the cover of the new issue of Men's Health magazine. Zac is currently promoting the release of his new film The Lucky One so this coverstory feature in Men's Health comes at the PERFECT TIME. It should come as no surprise that Zac looks pretty good on the cover of the magazine ... except for his left arm. It would seem that the folks ...