Hypochondriac, Getting away from them.

Hello, I am having a constant fear of getting cancer , I scroll down the internet for hours to research my symptoms , also to mention I am addicted to chewing tobacco since 10 years . Used to chew a lot but recently have reduced it significantly. To explain you my situation in detail Ex: if I have a ulcer and I observe it in a minute my hands run do n the internet only to find oral cancer . Then starts my journey I run to the dentists not 1 dentist I go around 10 to15 dentists and confirm and come back still having the same doubt . I get a slight pain in my abdomen I go for a ultrasound I have got 8 ultrasound in the last 6 months , 2 endoscopy 1 back and chest X-ray and a CT scan and also an MRI scan . I have done numerous blood check even if I have slight sweating and little itch I go for a blood check I am losing my life I have a beautiful kid just 1 year old have a gr8 successful career earn well have a good wife and parents but since last 8 months I am getting away from them .