.Zac Efron Says He is actually "Happy As Well As Well-balanced" After Hospitalization In Spain DeadlineCause of Zac Efron's a hospital stay in Spain showed A-list celebrity is 'thin' Fox NewsZac Efron Shares Wellness Update After Ibiza Hospitalization Us WeeklyZac Efron 'Recuperating' After Being Laid up For A Pool Accident In Spain Yahoo EntertainmentZac Efron Hospitalized After Swimming Collision In Ibiza: Documents HuffPost.