The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).

What is the role of stress and stress-related hormones in emotion regulation?

This study is the first to directly relate brain development to sex differences and school performance. The results debunk the myth that brain development is slower in boys.

Combined hormonal contraceptives (CHC) are associated with an increased risk of venous thromboembolism (VTE). In 2013, a review was published by the European Medicines Agency (EMA). In this review, the authors concluded that the risk of VTE varies by the type of progesterone in the CHC. Subsequently,…

Plants are colonized by an astounding number of microorganisms that can provide different life-support functions, including nutrient acquisition and protection against (a)biotic stresses like drought or pathogen attack.

‘Visibility and secrecy are both valuable tactics and should not be antagonized in LGBT movements, ’ says Jingshu Zhu. Zhu defended her dissertation on Wednesday 21 February.

The soil ecosystem consists of the largest reservoir of biodiversity on Earth.

Growth hormone profiles are pulsatile and highly variable between individuals, limiting the implementation of mathemathical models to quantify an individual's secretion.

Regulating Relations: Controlling Sex and Marriage

It often takes longer for women with heart problems to get the right diagnosis. In her Annie Romein-Verschoor Lecture, Professor Hester den Ruijter will talk about how hormones influence the heart and the importance of medical research that focuses specifically on women.

Psychologist Ellen de Bruijn studies the effects of hormonal fluctuations on behaviour and on the brain over a woman's life course. With an ERC Consolidator grant, she and 3 PhDs and a postdoc will further her EEG research on the different stages at which girls and women experience strong hormonal f…

Vicencio Oostra, who defended his PhD-thesis at the IBL successfully in June 2013, published new insights into the hormonal regulation of butterfly responses to fluctuating environments.

Even though it is generally known that Autism and ADHD are more common in men, and depression or anxiety disorders are more common among women, it is still not well understood if, how and when sex differences impact neurodiversity and mental health. To better understand this complex issue, 25 international…

Sex without mutual consent is a criminal offence. The proposed new Dutch sexual offences law aims to better protect victims of sexually transgressive behaviour. But the key issue is this: the rules of evidence have not changed, so will victims actually benefit from the new legislation?

Promotor: P.M. Brakefield

Sex without mutual consent is a criminal offence. The proposed new Dutch sexual offences law aims to better protect victims of sexually transgressive behaviour. But the key issue is this: the rules of evidence have not changed, so will victims actually benefit from the new legislation?

‘Visibility and secrecy are both valuable tactics and should not be antagonized in LGBT movements, ’ says Jingshu Zhu. Zhu will defend her dissertation on Wednesday 21 February. Time for a short interview with the PhD candidate.

Filamentous Actinobacteria, such as Streptomyces, produce a plethora of chemically diverse bioactive metabolites that have found applications across medicine, agriculture and biotechnology.

Asexual procreation in female wasps leads to an accumulation of genetic mutations, and the shrivelling of their sex organ. Leiden biologist Ken Kraaijeveld published this discovery in Evolution. His research is one of the first experimental studies into the consequences of asexual procreation.

From the effects of hormone fluctuations in women via the interior structure of giant planets to the prehistory of the languages: six Leiden researchers have been awarded a Consolidator Grant by the European Research Council.

Psychologist Ellen de Bruijn is investigating what hormonal fluctuations do to women's behaviour and well-being. The National science funding body NWO honoured her research with a Vici grant; earlier this year she received an ERC Consolidator Grant. Read the interview with De Bruijn about her resear…

Do young people who want to change gender have the unconditional right to medical treatment? Pediatric Endocrinologist Martine de Vries, who is also Professor of Medical Ethics, treats transgender children and adolescents. She will discuss this in her ‘Pride Talk’ on 18 September.

Leiden and Austrian researchers have succeeded in further uncovering how a plant cell passes on the growth hormone auxin in a directional manner to the next cell. Three proteins that cling together in a bunch appear to be essential for this important transport process. ‘This discovery solves a crucial…

In this research line, the role pharmacological agents and neurochemcial processes play in behavior and cognition is examined with a particular focus on pain, placebo and nocebo effects and intensive care treatments.

The trend of legal recognition for gay and lesbian couples is broadening. More and more rights are becoming available to same-sex partners – in more and more European countries. Leiden Law School and the French Institute for Demographic Studies publish detailed database and comparative analysis.

‘Everyone’s talking about it, everyone thinks everyone else is doing it, but the reality is disappointing,’ says biochemist Gerard van Westen in his 3 October University lecture in the Van der Werfpark. In the full marquee, he gets a laugh with this suggestion that artificial intelligence is comparable…

In July 2019 Asser Press published the book 'Sweetie 2.0—Using Artificial Intelligence to Fight Webcam Child Sex Tourism’ which was coedited by Simone van der Hof en Bart Schermer from the Center for Law and Digital Technologies, Bert-Jaap Koops from the Tilburg Institute for Law, Technology, and Society…

Discovering whether a chick is male or female while it is still in the egg. Leiden biotech company In Ovo, a spin-off of Leiden University, has been given an investment of several million euros to further develop its unique test method. The founders - both Leiden alumni - Wouter Bruins and Wil Stutterheim…

Researchers, policymakers and funders have to take more account of the effect of sex and gender in scientific research. This is the view presented in an advice paper published by LERU, the League of European Research Universities. The lead author is Vice-Rector Simone Buitendijk.

Women are more often diagnosed with depression, whereas ADHD is much more frequently detected in men. And there are other more striking differences. What role does the brain play in mental health and what is the influence of the environment? For answers to these questions, listen to the ‘(Un)gendered…

Sweetie 2.0 is a research project commissioned by Terre des Hommes on online child sex tourism and criminal law.

Sex and power are closely linked, and this was certainly true in the former Dutch colonies. PhD student Sophie Rose investigated how sexual and love relationships influenced eighteenth-century power structures there. 'You can see that there was constant fighting over who stood where in the social hi…

Hanan Hammad and Eftychia Mylona give a master class focusing on conceptual and methodological challenges in writing histories of marginalized social groups.

Brain researcher Elseline Hoekzema has discovered that the structure of the brain changes during pregnancy, particularly those areas related to social functions. These changes persist for at least two years after the mother gives birth. Publication in Nature Neuroscience on 19 December.

When you think of migration, you probably won’t immediately think of dating apps. Yet such apps are important to many migrants, such as those who identify as lesbian, gay, bi, trans, queer or questioning (LGBT+). Researcher Andrew DJ Shield studied the role that dating apps play in the migration process,…

The walls of Paul van der Velde’s study at the International Institute for Asian Studies are full of neat rows of post-it notes. As organiser in chief, he is right in the middle of the upcoming ICAS 11, the 11th International Convention of Asia Scholars, which is returning to where it was first held…

An important hormone excreting gland in the human body is the pituitary

How does it feel to be spied on by robots? Did you know that they too discriminate? Our entanglement with technology makes life easier, but there’s a downside too. Artists and researchers will show all aspects of this in the SAILS online talk show The Future of AI is Human. Join in on Tuesday 15 December…

Leiden University has appointed John van Noort as Professor in Biophysics. He studies the way in which our DNA is folded and read out.

Migraine is a brain disease. If it were simple, we would have solved it already'. That is the title of the inaugural lecture delivered by Professor of Neurology Gisela Terwindt on Friday 3 June. In her speech she emphasises the importance of research into the differences between women and men with m…

John van Noort