Hormones articles from across Nature Portfolio

Osteoarthritis is a common disease that causes pain and difficulty moving joints. Here the authors present an injectable gelatin-based hydrogel that slowly releases teriparatide drug to avoid frequent injections, offering a potential solution for patients with osteoarthritis.

Comparisons of steroid hormone concentrations in dentin samples from fossil mammoth tusks with those from a modern elephant tusk provide evidence of periodic increases in testosterone in the male mammoth characteristic of musth episodes.