Background: Births are rising at both ends of the reproductive age range. Births to women aged 35 years or older are increasing in high-income settings, and adolescent pregnancy remains common in low- and middle-income countries. Maternal age is often assumed to affect lactation,...
Open access
Research Article10.9734/ajfrn/2026/v5i4454
Ashraf Soliman, Fawzia Alyafei, Nada Alaaraj, Noor Hamed, Ahmed Elawwa, Shayma Mohamed, Noora Alhumaidy, Khalid Siddiq & Mohamed Elkalaf·Asian Journal of Pediatric Research·2026
Background: Vitamin D is traditionally characterized as a nutrient essential for calcium homeostasis. However, emerging evidence suggests that the cutaneous CYP11A1-driven secosteroid pathway serves as a "chemical proxy" for sunlight, linking environmental UV radiation to the syn...
Open access
Research Article10.9734/ajpr/2026/v16i2522
Background: Gut peptides coordinate food intake, nutrient handling and neuroendocrine responses during development. Their relevance to paediatric obesity is established more firmly than their contribution to attained height. Recent receptor genetics, incretin trials and nutrition...
Open access
Research Article10.9734/ajmah/2026/v24i111467
Adolescence is a developmentally sensitive interval in which linear growth, pubertal endocrine maturation, body-composition change, and rapid skeletal mineral accrual occur while experimentation with nicotine, tobacco, and cannabis commonly begins. This critical narrative review...
Open access
Research Article10.9734/jsrr/2026/v32i94504
Delayed puberty in adolescent boys arises most commonly from a self-limited maturational variant, constitutional delay of growth and puberty, but must be distinguished from permanent hypogonadotropic or hypergonadotropic hypogonadism before hormonal treatment is selected, because...
Open access
Research Article10.9734/ajrre/2026/v9i1140
Background: Male reproductive dysfunction is increasingly relevant in chronic anaemias as survival into adulthood has improved in β-thalassaemia and sickle cell disease, while iron-deficiency anaemia remains globally common. Impaired fertility arises through hypoxia, oxidative st...
Open access
Research Article10.9734/ibrr/2026/v17i4392