.Zac Efron Mentions He's "Happy And Healthy" After A Hospital Stay In Spain DeadlineCause of Zac Efron's a hospital stay in Spain showed A-list superstar is actually 'thin' Fox NewsZac Efron Shares Health And Wellness Update After Ibiza A Hospital Stay United States WeeklyZac Efron 'Recuperating' After Being Hospitalized For A Swimming Pool Event In Spain Yahoo EntertainmentZac Efron Hospitalized After Going Swimming Mishap In Ibiza: Documents HuffPost.