Female pattern hair loss is influenced by declining oestrogen and progesterone levels, especially around perimenopause and menopause, which disrupt the natural protection these hormones provide to hair follicles. Other factors include genetics, whereby thinning hair is hereditary, chemical hair treatments, environmental aspects such as infection, weather and water
Quantification of whole-body and segmental skeletal muscle mass using phase-sensitive 8-electrode medical bioelectrical impedance devices
Optum Rx IVR data, November 2025
Hydrogen sulfide perturbs mitochondrial bioenergetics and triggers metabolic reprogramming in colon cells
As of September 2023 it is on the FDA's Category 2 list of bulk drug substances that may not be compounded due to significant safety risks, and the agency has scheduled a Pharmacy Compounding Advisory Committee (PCAC) review for July 2026 covering proposed uses in opioid withdrawal, chronic insomnia, and narcolepsy