Land Mine

Landmine

A victim-triggered antipersonnel device buried in a road or field and intended to—when trod upon or run over by a vehicle—explode and kill/maim the enemy

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land mine

Global village An antipersonnel device buried in a road, field, and countryside, intended to, when stepped on, explode and kill/maim the enemy du jour

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Patient discussion about Land Mine.

Q. Why do I have major headaches during flight landings? I always get really strong headaches just before landing. Lately, they have been so severe that I honestly feel like my head is going to explode. The closer the plane gets to the ground, the more pain I have. After landing, the pain eases a little but I have a headache at least a day or two afterwards. Do anyone have any suggestions?

A. The air pressure change makes air expand and if your ear canal is blocked –there is a severe pressure on your inner ear/estacian tube. This is painful.
You might try swallowing real hard or yawning, or “popping” your ears. This is called "Valsalva" maneuver :
http://en.wikipedia.org/wiki/Valsalva_maneuver

Q. what are the do and don't do of Allergic people when they go out side to the open land?

A. if seasonal allergy is what you mean -there are certain times a year that you know you get sick. try avoiding long walks in fields of blooming flowers at those times...take antihistamine with you all the time, and don't forget some tissue paper :)