What you need to know about...jet lag.
D015984:Causality; D006801:Humans; D020179:Jet Lag Syndrome / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D008550:Melatonin / Q000627:therapeutic use; D011322:Primary Prevention / Q000379:methods; D014195:Travel
D008550:Melatonin