Fitness does not protect you and youth does not either. The only reliable defences are a slow ascent, sleeping lower than you climbed, and turning round at the first sign that the headache is not going away.
While war rattles the wider region, Dubai and Saudi Arabia are still posting visitor growth, and the numbers say the Gulf is winning the confidence contest.
The brain is receiving two accounts of the world, from the eyes and the inner ear, and they disagree. Fixing the disagreement fixes the sickness; most remedies just blunt the brain. Ginger is better than its reputation, wristbands are not.