SOME OF THE MOST SEVERE MIGRAINES THAT HAVE EVER BEEN REPORTED TO US HAVE OCCURRED DURING SKIING TRIPS. This is not surprising and in fact a condition called “High Attitude Headaches” (HAH) is described in the medical literature. It is part of a more extensive syndrome called “Acute Mountain Sickness, which has additional symptoms like:  loss of appetite, nausea and sleeping problems. HAH is common in mountain climbers and skiers and tends to occur more when the altitude is 7000...