#What type Neuro Disease it is - Doubt?

1) Major problem:- I always (24 hrs) head tightness (like something freeze inside head) since 2 years. I don't feel head  pain but only head tightness all time. Little problem with Mobile screen. This head tightness become most worst during winter season and after eating - Spicy, Cold,Diary & sweet products. 2) Test done:- #Brain MRI, BP, Sugar, Thyroid, Pituitary hormone, Urine,Eye checkup , Food Allergy, Blood CBC,Gas. -these all test  are Normal. #CT PNS test- Mild Maxillary Sinusitis But ENT specialist said this mild sinusitis cannot cause 24 hrs Head tightness. Went many neurologist & ENT  but no any medicine work since 2 yrs. 3)My earlier life:- I preparing for competitive exam since 2020.so, I cut physical activities and Outdoor sports completely. I sleep 6/7 hrs and study only. I study notes from mobile/tablet. 4) Doubt arise:- What neuro disease it is ?- Migraine, Tension headache, Anxiety, Stress -Neurologist only give medicine for Stress & migraine but not work for years.