Hello there. I have heaviness in my forehead, that radiates to my nostrils, heavy eyes, blurring , dryness in the throat, whistling in the ears, then I can t do any activity e.g walk well, think well. All these symptoms are comes on when do mental or hard work or cold weather e.g AIr conditioner . Had MRI done which is ok. What do I do, cos keeps me out of work frequently.