Availability of artificial light and light-emitting devices have altered human temporal life,
allowing 24-hour healthcare, commerce and production, and expanding social life around …

The current COVID-19 pandemic is one of the most devastating events in recent history. The
virus causes relatively minor damage to young, healthy populations, imposing life …

Viral infections are dangerous diseases for human health worldwide, which lead to
significant morbidity and mortality each year. Because of their importance and the lack of …

Several workers have extensively worked out the metal induced toxicity and have reported
the toxic and carcinogenic effects of metals in human and animals. It is well known that these …

Melatonin is the major secretory product synthesized and secreted by the pineal gland and
shows both a wide distribution within phylogenetically distant organisms from bacteria to …

Melatonin is a ubiquitous molecule and widely distributed in nature, with functional activity
occurring in unicellular organisms, plants, fungi and animals. In most vertebrates, including …

Melatonin, an endogenous signal of darkness, is an important component of the body's
internal time-keeping system. As such it regulates major physiological processes including …

OBJECTIVE: To summarize the role of melatonin in the physiology and pathophysiology of
the ovary. DESIGN: Review of literature. SETTING: University Health Science Center …

Abstract Melatonin (N-acetyl-5-methoxytryptamine) is secreted during the dark hours at night
by pineal gland, and it regulates a variety of important central and peripheral actions related …

The effect of the pineal indole hormone melatonin on the life span of mice, rats and fruit flies
has been studied using various approaches. It has been observed that in female CBA, SHR …