The jet lag (English term, literally “jet delay”; often referred to as meltdown) o dysrhythmia, dyschrony or even dysynchronosis circadian, is a clinical condition that occurs when crossing several time zones (usually more than two time zones), as is the case with a long plane ride. Causes drowsiness, fatigue, confusion and less frequently migraine. The phenomenon occurs due to the alteration of normal circadian rhythms.

Getting sick when returning from vacation. What is post-holiday syndrome?
After a relaxing vacation, fitness should be great, the body should look rejuvenated, the immune system invigorated. But unbelievably here are some disturbances appearing.







































































