Ideally, we would want to turn our body clock forward or back and reset it to local time as soon as we land. The jet lag problem would disappear instantly and you could throw this book away. Unfortunately, no such mechanism has yet been found. However, the adjustment process can already be speeded up using bright light and melatonin.
Keywords: Adaptation, Adjustment, Body clock, Bright light, Chronobiotic, Circadian, Circadian clock, Ear, Evening-type, Fatigue, Latitude, Longitude, Melatonin, Morning-type, Season, Sleepiness, Supra-chiasmatic nuclei.