i have heaviness in head and loss of balance feeling at times.not sure reason. to say 3 years back i had not a comfortable fall while using a slide in Water kingdon (the 90 degree one)..my head banged on slide but more then that i was afraid.that time my BP rose to 150/90.I did not had a vomiting in 24 hours of incident.. i did checked with doctors last year and he said... your BP was still high 140/90..... .Now i have a proper diet plan and do exercise , but still i have that heavinesss in back head and sometimes loss of balance symptoms when i sit continuously in front of laptop for work. i am working on computers since 6 years back... is it because of posture .OR beacuse i take unnecessary stress and it effect brain..VK