endocrinology

Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications

Nature, Published online: 19 June 2026; doi:10.1038/d41586-026-01963-1 Nature staff discuss preliminary data on the effects of GLP-1 drugs on male fertility, plus a two-year trial of a brain–computer interface.

New research provides evidence that measuring testosterone is not a reliable way to assess sexual difficulties in midlife women. Scientists discovered that while hormones subtly influence physical arousal and orgasm, they share no actual link with sexual desire.

A new review reframes PCOS, now proposed as PMOS, as a systemic endocrine and metabolic disorder shaped by genetic, epigenetic, ovarian, metabolic, and neuroendocrine pathways. It highlights why inconsistent diagnosis and symptom-focused care have limited progress, while targeted therapies, biomarkers, machine learning, and organ-on-chip models may support more personalized treatment.

Nocturnal hyperglycemia is a critical yet poorly controlled risk factor for complications in type 2 diabetes mellitus (T2DM), highlighting an unmet clinical need. The gut microbiota, a key regulator of host metabolism and circadian rhythms, has emerged as a pivotal player in this process, offering a novel therapeutic target. This article elaborates on the relationship between gut microbiota and n…

IntroductionOmega-3 polyunsaturated fatty acids (PUFAs) have been widely reported to exert beneficial effects in type 1 diabetes mellitus (T1DM). However, the mechanisms by which Omega-3 PUFAs influence pancreatic islet function through the gut-islet axis remain incompletely understood. This study aimed to investigate whether Omega-3 PUFAs-associated alterations in gut microbiota composition and …

GLP‑1s do not harm male hormones or fertility after long-term use, according to a study being presented Monday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill.

People with type 2 diabetes who nap longer than 30 minutes every day, regardless of their sleep patterns at night, increase their risk of developing metabolic dysfunction-associated steatotic liver disease (MASLD), according to a study being presented Monday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill.

GLP 1s do not harm male hormones or fertility after long-term use, according to a study being presented Monday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill. In fact, the research team found GLP-1s may improve testosterone levels and sperm quality in men with obesity related low testosterone, while also addressing the underlying effects of obesity.

A new study has created a detailed map of the pituitary gland, often called the body’s “master gland” because it controls important functions such as growth, stress and reproduction. Researchers from the Center for Craniofacial & Regenerative Biology combined data from many studies to build a single, clearer picture of how this gland works. They […]

Endocrine-disrupting chemicals (EDCs) that interfere with hormones were found in breast milk and in the urine of children from birth up to 6 months, according to a study being presented Saturday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill.

Only a small number of men who were prescribed testosterone therapy received appropriate, guideline-concordant diagnostic testing, according to a study being presented Saturday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill, by Sophia Sinha, M.D., clinical assistant professor at the University of Michigan in Ann Arbor, Mich.

Testosterone treatment may improve body composition, glucose metabolism and sexual desire in some older men at high risk of type 2 diabetes (T2D), but the benefits require engagement in a lifestyle program, according to a study being presented Saturday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill.

Only a small number of men who were prescribed testosterone therapy received appropriate, guideline-concordant diagnostic testing, according to a study being presented Saturday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill, by Sophia Sinha, M.D., clinical assistant professor at the University of Michigan in Ann Arbor, Mich.

Testosterone treatment may improve body composition, glucose metabolism and sexual desire in some older men at high risk of type 2 diabetes (T2D), but the benefits require engagement in a lifestyle program, according to a study being presented Saturday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill.

The incidence of type 1 diabetes among teens in Puerto Rico more than doubled from 2009 to 2021 and remained elevated through 2024, with an average annual increase of 4.1 percent, according to a study being presented Saturday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill.

Longer lifetime exposure to female hormones may increase the risk of thyroid cancer in women, according to a study being presented Saturday at ENDO 2026, the Endocrine Society's annual meeting in Chicago, Ill. The research suggests reproductive and hormonal factors may be involved in thyroid carcinogenesis.

Some subgroups of children with precocious puberty--such as older girls with slowly progressing puberty--may not need the same level of testing or treatment, according to a new Endocrine Society Clinical Practice Guideline released today.

The thyroid gland is small, but it plays a huge role in keeping the body healthy. Located at the front of the neck, this butterfly-shaped gland produces hormones that help control metabolism, energy levels, body temperature, heart rate, growth, and many other important functions. When the thyroid does not work properly, it can affect almost […] The post These Things Can Cause Thyroid Problems app…