Jet Lag is an imbalance of the normal circadian rhythm resulting from subsonic or supersonic travel through a varied number of time zones and leading to fatigue, irritability, and various functional disturbances. The older a human is, the more severe are their jet lag symptoms, and the longer they will take to get their body clocks back into synch. If a 60 year-old adult travels with a child from San Francisco to London by plane, the child's symptoms will usually be much milder, and he/she will recover faster.
If we travel across a number of time zones and experience daylight and darkness contrary to the rhythms we are used to, our body clock will be out of synch (synchronization). Our natural circadian rhythm, our sleep-wake pattern will be upset, as will our rhythms for eating and working times. Our hormone regulation may be out of synch with what is going on around us, as perhaps might be our body temperature control. Until all these factors are able to respond properly to our new environment we are jet-lagged. The symptoms of jet lag can be quite varied, depending on the amount of time zone alteration, time of day and the susceptibility of individual differences. Sleep disturbance occurs, with poor sleep upon arrival, sleep disruption including trouble falling asleep (if flying east), early awakening (if flying west) and interrupted sleep with multiple awakenings and trouble remaining asleep. Cognitive effects include poorer performance on mental tasks and concentration, increased fatigue, headaches, and irritability, and problems with digestion including indigestion, changes in the frequency of defecation and consistency of feces and reduced interest in and enjoyment of food. Symptoms are caused by a circadian rhythm that is out of sync with the day-night cycle of the destination. Energy Balance Ultra will help prevent jet lag.
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