It's odd that jet-lag needs a cure. It does not seem like the sort of thing for which there should be a cure. When it's been a long time since you've traveled it can become easy to see jet lag as a psychological weakness, not a physical one. All you've got to do is tell yourself to "buck up, you've done nothing but sit for ten hours." But as all weary travelers know, jet-lag is as real as any virus or condition. The problem all has to do with natural sleep cycles and circadian rhythms. As doctor
