The list of substances prohibited by the World Anti-Doping Agency (WADA) is huge. PhD candidate Jules Heuberger looked at many of these, as well as at the methods used to detect them. He concluded that for very few of these substances is there is evidence that they actually do enhance performance. PhD…

At the end of June 2021, The Dutch Ministry of Finance made a policy document public that dates back to 2016. In it, civil servants acknowledge that the Netherlands risked providing unauthorized State aid to American multinationals by allowing them to use a controversial, but favourable, fiscal construction:…

The number of victims of child abuse is estimated to be higher during the first lockdown compared with a period without a lockdown. This is mainly due to an increase in the number of victims of emotional neglect, including educational neglect and witnessing domestic abuse. Families with children about…

Nederlanders met lage inkomens lopen tot 1,5 keer meer risico op het krijgen van een hartaanval of beroerte dan rijkere landgenoten. Bij Surinaamse Hindoestanen is dit risico 1,9 keer hoger. Dat blijkt uit onderzoek van het LUMC en het HagaZiekenhuis. Nederlandse artsen kijken tot nu toe niet naar deze…

Ilze Bot and Johan Kuiper have published in The Lancet: Study unveils how stress may increase risk of heart disease and stroke. Aso: The National Dutch newspaper 'NRC' has mentioned them in a column

The NEASQC project brings together academic experts and industrial end-users to investigate and develop a new breed of Quantum-enabled applications that can take advantage of NISQ (Noise Intermediate-Scale Quantum) systems in the near future. NEASQC is use-case driven, addressing practical problems…

The major aim is to develop, evaluate, and implement disease-generic cognitive-behavioral interventions through the internet in order to optimize tailored health care for patients with chronic somatic conditions.

As a student of the Master's in Comparative Criminal Justice you develop academic, theoretical and research insight in all aspects of crime control. Student actively work on current, concrete problems and are challenged to independently find solutions. Students not only learn about the organization…

During the two-year Cities, Migration and Global Interdependence (research) programme you will learn from inspired academics and learn how to conduct quality research.

The project

For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.

She narrowly defied bureaucracy and spent days angling for cod. In the North Sea, marine biologist Inge van der Knaap discovered that noise significantly disturbs fish behaviour. ‘There is now a lot of attention for underwater noise.’

The Hague Program for Cyber Norms organises the second conference of an annual series to encourage academic diversity in the study of cyber security. The theme is 'Dealing with Uncertainty'. The conference will take place in The Hague on 5 and 6 November 2019. Deadline submission of extended abstracts…

You might be wondering what the reconstruction of the former V&D store at Spui in The Hague looks like now. If so, you can come and find out for yourself. On Saturday 8 June 2024, from 10.00 – 13.00 hrs., the building site of the new Campus The Hague Leiden University Building will be open to the pu…

The extension of the Dutch government’s Covid-19 relief measures for businesses has ensured that in the last six months of 2020 the number of bankruptcies was at an all-time low. However, according to the Bijzonder Beheer Barometer (special risk management barometer) an initiative of PwC and the Department…

The number of women in the Netherlands dying before, during or after childbirth has halved.

Researchers from the Leiden University Medical Center (LUMC) have developed an AI model that accurately predicts the risk of endometrial cancer recurrence.

In Poland the commemoration of acts of resistance is being misused to distort the history of the Holocaust. That is what Cleveringa Professor Jan Grabowski said in his inaugural lecture on 26 November. In her lecture, the second Cleveringa Professor, Barbara Engelking, pointed to the often indifferent…

Important note: upon careful consideration, we have decided to resume our Dutch language courses.

Electronic versions of our publications can be obtained by sending an e-mail to Esther van den Bos: bosejvanden@fsw.leidenuniv.nl

During the course BBO II: Multi-Level Governance, students learn to make the link between theory and society by completing a challenging practical assignment.

In Dutch daily Trouw, assistent professor Cyber Security Governance, Els de Busser writes about the importance of good digital safety at companies. Dutch telephone and internet provider KPN is lacking in this respect. ' In Trouw schrijft Els de Busser, universitair docent Cyber Security Governance…

From the research Terrorist threat in the Netherlands, the risk perception and opportunities for risk communication (Leiden University) shows that the Dutch respond relatively sober to attacks in neighboring countries and the possible risks of a terrorist threat. Half of the respondents believe that…

People who have taken antibiotics in the past three months pay more attention to negative facial expressions, according to research by postdoc Katerina Johnson and assistant professor Laura Steenbergen. This may explain how antibiotics increase the risk of developing depression.

History student Mitchell Wiegand Bruss is taking part in the water council elections. Whereas until recently he had no idea what the governing body stands for, he now wants to create awareness among other students about the political body.

On 17 October Melanie Fink and Jorrit Rijpma spoke at the 17th meeting of the Consultative Forum of the European Border and Coast Guard Agency (Frontex) in Warsaw.

The examination service delivers efficient and accurate processing of written tests and digital exams in platforms such as ANS and Remindo. Additionally, we offer guidance in interpreting statistical analyses of exam outcomes.

Health workers have always sought ways to fight disease in vulnerable groups in the population. It is now clear that such research also benefits more prosperous countries. African worm infections and innovative thermometers have shown Leiden researchers how to fight diseases of affluence and keep health…

How does the management of Elephant Marsh Fishery in Malawi relate to wider contexts of policies, theories and regions? And how can the current management system be adapted to achieve long-term sustainability of the fishery?

Getting personal

Describe and identify what dosimetry parameters are of importance to interpret dose-response relationships (eg., mortality, sub-lethal, growth or reproduction inhabitation, DNA damage and reactive oxygen species, etc. ) for metal-based nanoparticles? How to develop quantitative models that enable to…

We study the structure, dynamics and physics of complex networks emerging from the intricate interconnectedness of the constituents of large systems.

Positive friendships are characterised by understanding mutual wishes and intentions, respect for each other’s boundaries and pro-social behaviour. Qualities that might be more challenging for autistic adolescents.

Researchers at LIACS are working to devise the computers of tomorrow that will be the backbone of the Cloud and Edge computing paradigms as well as the Internet of Things. In this respect, we are involved in research and development of high performance computing systems, embedded & real-time computing…

The aim of this project is to develop, evaluate, and multicentre implement a blended form of cardiac rehabilitation that uses a theory-based approach to guide patients to full self-management.

Description of Atlas of the surfacewater concentrations of pesticides in the Netherlands, a pilotstudy.

In a longitudinal study, Eichengreen and colleagues explored how the certain aspects of emotional intelligence impact the development of adolescents’ mental health, thus identifying potential warning signs and targets for intervention programs. Despite a higher risk for mental health issues and lesser…

The LACDR represents the core of bio-pharmaceutical research at Leiden University, and we interact closely with our partners:

Somatic symptoms, such as pain, itch, and fatigue have been shown to have a bidirectional relationship with mental symptoms. Although acute somatic symptoms serve some adaptive properties, chronic symptoms can instead lead to interference in daily activities and lower quality of life.

Persistent somatic symptoms are long term symptoms that lack a clear medical explanation. These symptoms have a high prevalence where most people know someone who experiences such symptoms or they experience such symptoms themselves. Symptoms can vary greatly in and between people. While one person…

The research carried out within the unit Health, Medical and Neuropsychology investigates the psychological factors of health and disease, and the development of innovative treatment.

Unraveling the immune-suppressive actions of drugs like prednisone.

A lecture about the drive, dynamics and dilemmas of our central bank and supervisor. Joanne Kellerman discussed the role of DNB, the central bank in our country for already 200 years, and the dilemmas that a supervisor faces. How can be ensured that a supervisory intervention is rightly timed and that…

To what extent are university teachers' individual learning paths influenced by their teaching experience, motivation, and conceptions of teaching and learning through educational technology?

Social anxiety runs in families, but the neurobiology underlying this genetic vulnerability is until now largely unknown. The unique Leiden Family Lab study on Social Anxiety Disorder (LFLSAD) aims to broaden our knowledge with respect to this genetic susceptibility.

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

How to minimalize the chance of recidivism for extremist prisoners.

A critical look at the impact assessment modelling of metals in Life Cycle Impact Assessment and improvement options.

Brenda M.S. da Silva and colleagues designed and validated the “Moral Emotions Questionnaire” (MEQ) for identifying three major moral emotions in preschoolers – allowing to separately measure guilt, shame and pride at the youngest ages.