People who have negative expectations about a treatment actually experience more pain. Merve Karacaoglu discovered in her PhD research that anxious and pessimistic individuals are particularly susceptible to this nocebo effect. However, this sensitivity comes with a silver lining.

Exercising less, skipping parties and struggling at work: the expectation of chronic pain and itching can lead to avoidance behaviour. But this is by no means the case for everyone with chronic pain, as PhD candidate Gita Nadinda discovered. What does this mean for healthcare?

Nerve pain is one of the most common side effects of chemotherapy. It is therefore one of the biggest reasons for cancer patients to stop treatment early. Darcy Reynolds worked on new drug candidates against this pain during her bachelor's thesis. She developed a new series of molecules that increase…

A consortium led by Leiden University has been awarded 6.75 million euros to research traumascapes: physical places associated with collective trauma and loss. The research team aims to make these places more visible, accessible and inclusive.

How can the Netherlands help secure a peaceful future for Israel and Palestine? At a recent meeting at the university, two remarkable speakers shared their perspectives: Somaya Bashir, a Palestinian woman living in Israel, and Palestinian journalist, Houssam Khadra, who fled Gaza over a decade ago.

According to the Act on the Equal Treatment of the Disabled and Chronically Ill, it is strictly forbidden to discriminate on the grounds of disability and chronic illness when providing employment, accommodation, goods and services.

Organisation

Lecture

Arts and leisure, Arts and leisure

The placebo effect was completely new to her when Lingling Weng began the PhD project in Leiden. She is now a postdoc in China. 'It would be great to investigate the underlying mechanisms of placebo and nocebo effects with my current knowledge of EEG and fMRI.' PhD defence on 17 October.

During her studies, professor Carmen Vleggeert-Lankamp developed a deep passion for spinal surgery. From exploring unknown fields and supervising PhD candidates to providing appropriate care for patients and making the most of data: her fascination remains strong to this day.

Spitting cobra venom composition has been influenced by defensive behaviour according to an international research team. This may have originated from the arrival of human ancestors. Students at the Institute of Biology Leiden made an important contribution to the study. Publication in Science on 22…

It may seem as though adolescents do as they please, but they are more sensitive to their parents’ opinions than they would appear. The adolescent brain reacts strongly to parental criticism or praise. These are the results of a study by an interdisciplinary research group of psychologists and neuroscientists…

During the event 'Fout?' by De Jonge Akademie, Ellen de Bruijn held a lecture about the social context of making mistakes and the psychological elements of learning from it.

Archaeologist Bjørn Peare Barthold suspected farmers in a doctorless 19th century Dutch village may have been self-medicating to manage pain and disease. By examining the skeletons' dental calculus this hypothesis could be tested. Science Magazine interviewed him about this new technique.

Since its discovery thirty years ago, it remained a mystery: how does the body’s own marijuana move between nerve cells in the brain? Mario van der Stelt and his research group have now uncovered the answer. This insight could aid the development of new treatments for pain and neurological disorders…

Wilke Geurds graduated from the Visual Ethnography master's programme last year with her intimate and vulnerable documentary 'F*ck Endo. More than just menstrual pain.'.

A chronic illness is a long-term and persistent health condition that can impact your learning at Leiden University.

Jasper Knoester, decaan van de Faculteit Wiskunde & Natuurwetenschappen, blikt terug op 2025 in "het jaar van Jasper".

The GDPR privacy legislation is no impediment to handing out sanctions to Russian oligarchs or reuniting children placed in care with their parents, says privacy experts Anna Berlee, Marlies van Eck, Simone van der Hof, Simone Huting, Friederike van der Jagt and Jeroen Terstegge.

Four researchers from Leiden University will receive funding from arthritis foundation ReumaNederland over the next five years. This should facilitate long-term research into arthritis.

Parents appear to be extremely sensitive to feedback they receive about their child. Just how sensitive depends on the (‘rose-tinted’) glasses through which they look at their child. All this can be seen in the brain. Neuroscientist Lisanne van Houtum and her Leiden colleagues published on this issue…

Many students on the Master’s programme in International Relations and Diplomacy had their internship cancelled last year because of the pandemic. As an alternative, together with Professor of International Relations Madeleine Hosli, they wrote a book: The Future of Multilateralism.

De crèche en het klaslokaal zijn misschien wel de meest gunstige plekken voor ziekteverwekkers. Toch is er relatief weinig bekend over hoe kinderen reageren op virussen en bacteriën en hoe het komt dat sommige kinderen veel beter beschermd zijn dan anderen. Simon Jochems, onderzoeker aan het Leids Universitair…

Every year, an NWO PhD in the Humanities grant is awarded to a prospective PhD candidate at the Faculty of Archaeology. This year, the grant went to Maia Casna, enabling her to study respiratory disease in the past. ‘My hypothesis is that the rapid formation of cities in the medieval Netherlands, must…

Since 24 March, the Kamerlingh Onnes Building of the Faculty of Law has been full of hundreds of colourful jellyfish. But behind that enchanting sight is a serious message: the exhibition symbolises the loss of biodiversity in the oceans due to climate change.

‘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…

Just imagine new AI technology is able to read human emotions flawlessly. How would that affect us as humans? That is the question PhD candidate Alexandra Prégent is exploring.

'We can uncover new, non-pharmacological strategies to help individuals, especially those struggling with weight los.' Psychologist Aleksandrina Skvortsova receives a LUF grant for her research project 'Mind Over Meal: Unraveling placebo effects on hunger, food-related brain activity and food choice…

With the passing of Stephen Haigh on 9 September 2022, Leiden University's Institute of Political Science has lost a dedicated and inspiring instructor.

Eduard Fosch-Villaronga, Associate Professor at eLaw, contributed to 'Cyber–Physical–Human Systems', a book exploring the latest developments in interactions between cyber–physical systems and humans.

This is a difficult time. Above all, for all those directly involved in this horrible case – unacceptable behaviour by a professor and his removal from the University – the case we went public about on 18 October and that has been reported in the media. This is painful and tough for the complainants…

The fall of the Schoof cabinet comes as no surprise to Arco Timmermans, an expert in public affairs. Over a year ago, he advised informateur Kim Putters and already pointed out that a workable cabinet would only be possible if the parties took responsibility.

For decades, unmarried girls and women in the Netherlands were forced to give up their newborn children. The impact was profound and persists to this day for the mothers, fathers, relinquished children, and the adoptive families in which they were raised.

Why did fewer women suffer from osteoporosis in the past than today? And which aspects of a city make public spaces safe, accessible and comfortable for all residents? These two research questions will be explored in more detail thanks to an Impulse Grant from the Leiden University Fund.

Geriatrics needs to radically change. This is what Simon Mooijaart will say in his inaugural lecture.

Over the centuries painters and photographers have depicted students at study in Leiden. An exhibition at the Hortus botanicus reveals the similarities and differences in 450 years of student life.

A new treatment for atherosclerosis showed promising results in isolated cells but proved to be less effective in initial animal tests. Bachelor student Biopharmaceutical Sciences Willemijn van der Heijden aimed to understand why. She investigated whether the formation of a protein layer around the…

As of 1 September , Karel Berkhoff has been appointed professor by special appointment in Ukrainian History. In this position, made possible in part by the KNAW, he will focus primarily on dark moments in recent Ukrainian history: the persecutions that have taken place in the first half of the twentieth…

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

Various Leiden researchers have been awarded a European grant to explore the commercial or societal potential of previous research.