The research in this dissertation aims to optimise blood donation processes in the framework of the Dutch national blood bank Sanquin. The primary health risk for blood donors is iron deficiency, which is evaluated based on donors' hemoglobin and ferritin levels.

The Center for Interdisciplinary Placebo Studies Leiden (IPS) aims to advance the understanding of placebo and nocebo effects, their underlying mechanisms, and their potential applications in clinical practice. IPS consists of a group of interdisciplinary researchers working at Leiden University with…

Our ability to learn and control movements is essential for engaging in goal-directed behaviour. From buttoning your shirt and driving a car, to cooking dinner and brushing your teeth -- our actions in daily life rely on this ability.

About nine million people worldwide contract tuberculosis each year. Research into new treatment for this disease has received fresh stimulus with more efficient techniques and a new understanding of how the tuberculosis bacteria works.

Music can affect how we feel, think, and behave. But how do we learn about the specifics of people's responses to music so that we can apply this to health and well-being? By looking at characteristics of the music, as well as the differences between listeners, we hope to better understand as well as…

Which criteria do ED patients and therapists evaluate as most relevant for recovery? Do patients and therapists differ in their evaluations? Do eating disorder patients differ from a healthy control group in their scores on the Recovery Scale?

How does having limited access to the social world affect Deaf or Hard of Hearing (DHH) children’s emotional development? And in turn, how do impairments in emotional functioning affect social development and the development of psychopathology?

How can we improve quality of life and study success in young, high-functioning adults with autism?

The aims of the project are to: further clarify 'inhibition by safety'; explore and describe all possible sagety factors, with a special focus on the primary human safety source: social connectedness; reviewing prolonged stress responses without stressors.

One of the most crucial aspects of our behaviour is our motivation to explore novel environments and interact with new people. This became painfully clear during the COVID-19 lockdowns, when many people suffered from lack of new experiences and real-life social interactions. The relevance of novelty…

Can we predict fluctuations in suicidal ideation in a person’s daily life, from hour to hour?

The research master’s specialisation Clinical and Health Psychology prepares you for a PhD trajectory.

In the ‘Cool Little Kids’ research project, we investigate a parenting program that focuses on the prevention of the development of anxiety problems in young, anxiety-prone children.

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.

The research conducted at the Health, Medical and Neuropsychology unit investigates the psychological factors of health and disease, which allows for the development of innovative treatments.

Lifelong learning | “Even though we were spread across five continents, there was a strong sense of connection.”

Depression has traditionally been linked to increased inflammation. Innovative research by psychologist Eiko Fried refutes this popular assumption. He shows that specific depression symptoms such as sleeping problems explain this relationship. Publication in Psychological Medicine .

Make sure you have a suitable place to work or study.

The Institute of Tax Law and Economics at Leiden Law School has three departments: the Department of Tax Law, the Department of Economics and the Department of Business Studies. The Institute brings together research and teaching at the point at which, on the one hand, law and, on the other, fiscal…

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…

We know this, but we don’t act on it: eat healthily, move more, address our stress levels and sleep well. Internist and Professor of Diabetology Hanno Pijl is fascinated by the effect that a healthy lifestyle can have on health. He researches how this lifestyle is achievable and satisfying, for patients…

Occupational health in the Emergency Department

Cognitive decline (amongst other problems with attention, concentration, memory) is a common symptom in patients with a variety of brain disorders and has been related to healthy ageing as well. People suffering from cognitive deficits are often significantly hampered in their day-to-day functioning…

Within the Institute of Security and Global Affairs, research is organised in seven main research groups:

Having a chronic somatic condition can result in a variety of impairments in patients’ daily lives, including not only physical complaints such as pain, itch, and fatigue, but also problems of negative mood and impairments in social relationships. Next to disease characteristics, individual difference…

In the Department of Business Sciences, three chairs are established. Together, the chair holders lead the Turnaround, Rescue & Insolvency Leiden Research Team (TRI Leiden), which consists of legal and business science researchers from Leiden Law School. TRI Leiden aims, through an international and…

In case of serious illness, treatment in the Intensive Care Unit (IC) may be necessary. Intensive care treatments has improved over the years and more and more seriously ill patients are surviving admission to the ICU. This favorable development however has a downside since long-term consequences of…

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.

To study relationships between emotion regulation after negative and traumatic life events and psychopathology. Within this context, another goal is to develop and validate emotion regulation questionnaires.

Positive expectations can influence sensations of itch and evoke placebo effects, whereas negative expectations can trigger nocebo effects in itch. There is evidence that placebo effects can occur even when people know that they are taking a placebo. Little is known about how these so-called open-label…

What are the most important perpetuating factors of chronic fatigue and chronic fatigue syndrome, and which interventions are effective in influencing these factors?

Bone research provides plenty of detailed data about the health of a person or a group. This data is not only used to reconstruct the past but also to fight disease today.

How can efficient chemical synthesis and clinical microbiology be combined to identify new antibiotics against Clostridioides difficile infections?

The master's specialisation Clinical Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

Alireza Mashaghi from the Leiden Academic Centre for Drug Research (LACDR) will use state-of-the-art technology to investigate proteins that play a role in muscular dystrophy. His goal is to provide new insights for designing novel therapeutic strategies in the future. To accomplish this, Mashaghi receives…

Can cognitive decline in people with Parkinson’s disease be measured using digital tests at home? According to an interdisciplinary team of researchers, the answer is yes. They investigated this with a Kiem grant from Leiden University.

On this page you can find information about previous CCLS events.

You can find some tips here on how to maintain your mental health.

Only one in five young people with emotional health problems such as an anxiety disorder receives appropriate professional help. GPs often fail to properly recognise the signals in children and young people, according to psychologist Semiha Aydin. How can we improve this? PhD defence 23 February.

It often takes a long time for people with an eating disorder to seek help and receive treatment. eHealth could be a solution, PhD candidate Pieter Rohrbach has discovered.

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Our research regularly receives attention in the (Dutch) popular media. Here is an overview.

How is it that some covid-19 patients are affected much worse than others? Can we predict beforehand which of them will develop critical symptoms Professor Thomas Hankemeier, together with a diverse consortium of universities, academic hospitals and industrial partners, is looking for the answers to…