Until now, the processes that lead some girls to start developing before others have been poorly understood.
Articles on Hormones
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Estrogens also have many positive effects on mental health, cognitive function, libido and protection of the brain, possibly even slowing the onset of Alzheimer’s disease.
Sex hormones do affect us. But to what extent?
Vaginal discharge varies in consistency, texture, smell, taste and volume in the same woman from day to day, week to week, month to month and beyond.
Gigantism and acromegaly are rare conditions where a benign tumour causes excessive production of growth hormone (GH), which stimulates the growth of the skeleton and all tissues in the body.
Are men hot-blooded, sex-driven creatures that think about sex every seven seconds? Not quite.
Early studies suggest a process called advanced in-vitro maturation may be able to treat infertility without women needing to inject themselves with high doses of hormones for several weeks.
While many men want to seek treatment for ‘low T,’ a low level of testosterone is good when it comes to being a nurturing father. Here’s why.
Every woman who reaches midlife will experience menopause when her ovaries eventually run out of eggs. So what’s happening with her hormones?
“Love drugs” have their risks, but are also potentially liberating, so people must be free to make their own choices about what works best for them.
Embryos greedily want more resources than their fair share. New research investigates how early in evolution their hormonal tactics arose.
Fathers experience an equal rise in the bonding chemical oxytocin as mothers do when interacting with their infant.
Multiple hormones produced by the mother, placenta and the foetus drive and coordinate the amazing biological changes and development of the baby that occur with conception, foetal growth and birth.
Testosterone fuels risk-taking behaviour – new research shows this leads to bigger wins for men but also much bigger losses.
There really is no reason to be a wallflower. Dancing could lower your pain threshold, help you make friends and even find a romantic partner.
Our bodies have a complex system to control food intake, driven by hormones. Hormone levels also change when we gain and lose weight.
We’ve all done it: enjoyed a delicious meal only to nod-off in a comfy chair for a while. A habit for some but unavoidable for others, what is it about food that can make us so sleepy?
Sleep allows many of our hormones to replenish so we have the optimal energy, immunity, appetite and coping ability to face the day’s highs and lows.
Scientists in the US have found that a feel-good exercise hormone called irisin does indeed exist in humans, putting to bed long-disputed claims that it is a myth.
“Hangry” is an amalgam of hungry and angry that describes the distinct grumpiness that some people experience when they haven’t eaten for a while. Ring a bell?
Top contributors
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Professor of Psychiatry, Monash University
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Senior Lecturer in Biochemistry, Sheffield Hallam University
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Associate Professor of Medical Sciences, University of Wollongong
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Associate Professor and Clinical Neuropsychologist, Monash University
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Professor of Anatomy, Lancaster University
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Professor of Women’s Health Research, Department of Obstetrics and Gynaecology, & Director of Research, Royal Women's Hospital, The University of Melbourne
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Research Fellow in Women's Mental Health, Monash University
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Clinical Trials Director, Department of Endocrinology, RPA Hospital, University of Sydney
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Associate professor in Mental Health and Behavioural Science, University of Wollongong
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Associate Professor in Contraception, Reproductive and Sexual Health, Anglia Ruskin University
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Emeritus Director, Hudson Institute
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Gynaecology Unit Head the Royal Women’s Hospital and Clinical Associate Professor in the Department of Obstetrics and Gynaecology, The University of Melbourne
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Senior Lecturer, School of Psychology and Neuroscience, University of Bristol
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Chair of Women's Health, Monash University
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NHMRC Emerging Leader Research Fellow in Reproductive Health, School of Public Health, University of Sydney