Continously having heaviness in my above fore head from past 4 months and i have gone through several test like MRI ,blood test Lupid profile test, Thiroid test ,UT for abdoneel, B12 etc etc and all the reports found ok and i am continously taking serta 50 from past 4months and when i have taken alchol in parties and day i feel more heavines and feel vertigo during walking Kindly advice (shailendra )