Ray J reveals that his heart is functioning at only twenty-five percent after a recent hospital stay due to severe pneumonia and chest pains. We hope he recovers swiftly. The singer addresses the concerning news about his health. R ay J shares that his heart is only functioning at 25 percent after hospitalization. Early this month, Ray J was rushed to a Las Vegas emergency room after experiencing heart pains and a severe case of pneumonia. The “One Wish" singer disclosed that