Content Creator Education . Health . Daily Vlogs I listened to Dr. Dai advice three years ago .. And now I am a medical student because of Him!Thank you very much Dr. Dai. You are a hero for us. Lina Al-Ahmed Medical Student Tips for School Students It helps students to improve their way of study Tips to Maintain Health An ounce of prevention is better than a pound of cure Vlogs Daily Vlogs! YouTube 0 Facebook 0 Instagram 0 Facebook Twitter Youtube Instagram