Hello Doctor, I am 20 years old. I am a student. I have been facing some health issues and some changes in my body. I heard from my friends all these symptoms closely related to Some kind of cancer. I was just shocked and facing mental torture. Doctor please help me out and confirm me if so. My symptoms are. *Weight loss *Hair loss *Sleep less *Some red spots on body specially on upper body *Mouth ulcer with oder smell *Once find blood from my nose *Back pain and joint pains *Feeling weakness even getting tired for 10-15 steps to my home which is at second floor. All these Dangerous or normal symptoms What are the tests required for confirmation. Thank you.