hi sir, i am suffering some pain in left side of my neck and brain ,some times i feel numbness in left side of the brain ,weight loss,sleeping problem , around my heart i feel some pressure or gas , i can not respond suddenly if i do it become shivering in my neck and i feel fear , so i searched in internet related symptoms i think i had problem with my vasovagal nervous system ,is it true or some any disease .please answer to my problem and i belongs to INDIA ,HYDERABAD .WHICH DOCTOR WILL SOLVE MY PROBLEM THANK YOU,