If pressing on it causes shooting pains to the side or top of your head (and that is where the headaches occur), you could have an occipital neuroma and should see a neurologist. Does it ever drain pus? It could be a form of acne or a sebaceous cyst. Family history of headaches? Migraine headaches? Family history of brain aneurysms?
If it is cut above the hairline u have to taper it. Bring it in shorter or the hairline looks ridiculous.
NO
none of the above
Pressure in the ears and eyes is usually caused by a sinus infection. A sinus infection is an infection of the nasal cavities that causes headaches, pressure and cold like symptoms.
Widow's peak is a V-shaped point in the middle of the hairline (above the forehead) ((:
none of the above
Also to be added to the question above (I Posted) "and her hairline"
Depends upon your starting pressure and pump type. Generally however you want to keep your max pressure at about 8-10 psi above your first time running the filter or your most recent sand change, if it goes above this run a backwash and a rinse cycle if it still persists at a higher pressure it's time to replace your sand.
Air pressure is caused by the weight of the atmosphere above an object. When one goes higher, there is less air above and so the pressure drops.
Vapor pressure
expiration
high blood pressure