I am constantly worried about my health...my minds always have thought i will have cancer .. i keep checking my mouth every day day and night keep putting flash light to see my mouth ..if i feel any sensation ..it feels like i having cancer or i will have ..i keep on reading symptoms on google it always says cancer ..i dont know what to do in my mind same thought is running i keep sretching my mouth ..keep showing my mouth to every one and visited dentist for the same ..sometime my body sweats ...i keep on reading on google about the symptoms it always says cancer. Now my dreams are same i see patients suffering from cancer.