Tag: jet lag

March 30, 2026 / Mohammed looti

MELATONIN

The Biochemical Synthesis and Physiological Origins of Melatonin Melatonin, chemically identified as N-acetyl-5-methoxytryptamine, is a versatile hormone primarily synthesized and secreted by the pineal gland, a small endocrine gland located in the epithalamus of the vertebrate brain. The production of this hormone is a multi-step biochemical process that begins with the essential amino acid L-tryptophan. […]

November 24, 2025 / Mohammed looti

JET LAG

Definition and Etiology of Jet Lag Jet lag, formally known as desynchronosis or circadian rhythm sleep disorder, is a temporary physiological condition resulting from rapid travel across multiple time zones. It represents a fundamental maladjustment of the body’s internal biological clock, the SCN, to the external local time. This misalignment occurs because the speed of […]