Drug consumption estimates are of relevance because of public health effects as well as associated criminal activities. Wastewater analysis of drug residues enables the estimation of drug consumption and drug markets. Short-term and long-term trends of cocaine, MDMA (ecstasy), amphetamine (speed) and …

The last decades have seen an increase in the use of illicit recreational drugs. In this article we take a detailed look at the current state of normalisation of the three most popular illicit recreational drugs among Dutch university students in the Netherlands (MDMA/Ecstasy, cocaine and amphetamine) …

Background Substance use disorders (SUDs) are prevalent in the general population, tend to follow a chronic course, are associated with many individual and social problems, and often have their onset in adolescence. However, the knowledge base from prospective population surveys and treatment-outcome …

Introduction: Hardly any research exists on the relationship between substance use and sexual behaviors in patients with a substance use disorder. This study aimed to examine this relation by looking into perceived positive effects on sexual behavior, perceived negative effects and risky sexual behavior …

From the thesis: "Summary Metabolic diseases that are characterized by a disturbance in energy balance because of feeding behavior, such as obesity and anorexia are known to be a world-wide problem. A better understanding in central regulation of energy intake and metabolism could give more insight in …