Approximately 50% of the sunlight reaching the Earth's surface is visible light (400-700 nm).
Other sources of visible light include lasers, light-emitting diodes, and flash lamps. Photons …

Increasing evidence on the impact of the different wavelengths of sunlight on the skin
demonstrates the need for tailored recommendations of sunscreen according to skin …

Each of the eight enzymes involved in porphyrin synthesis can be defective and can
produce a distinctive form of porphyria. The diagnosis of porphyria can be obscure and the …

Sunlight, despite its benefits, can pose a threat to the skin, which is a natural protective
barrier. Phototoxicity caused by overexposure, especially to ultraviolet radiation (UVR) …

In contemporary drug discovery, enhancing the sp3-hybridized character of molecular
structures is paramount, necessitating innovative synthetic methods. Herein, we introduce a …

Update on Trial Registration 11 Years after the ICMJE Policy Was Established | New England
Journal of Medicine Skip to main content The New England Journal of Medicine homepage …

Physicians should be aware of porphyrias, which could be responsible for unexplained
gastrointestinal, neurologic, or skin disorders. Despite their relative rarity and complexity …

Cutaneous photobiology studies have focused primarily on the ultraviolet portion of the solar
spectrum. Visible light (VL), which comprises 50% of the electromagnetic radiation that …

Abstract The melanocortin-4 receptor (MC4R), a hypothalamic master regulator of energy
homeostasis and appetite, is a class A G-protein-coupled receptor and a prime target for the …

A large body of preclinical and clinical data shows that the central melanocortin system is a
promising therapeutic target for treating various metabolic disorders such as obesity and …