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Powerpoint presentation used by Robert Baars at his inauguration on September 24, 2021 as lecturer 'Climate Smart Dairy Value Chains' at Van Hall Larenstein University of Applied Sciences.
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Speech by dr. Robert Baars at the official inauguration as Professor in Climate Smart Dairy Value Chains at Van Hall Larenstein University of Applied Sciences, 24th September 2021, Dairy Campus, Leeuwarden, The Netherlands.
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A tool to calculate the environmental and economic impact of different ways to collect and process organic waste. The tool contains calculations for waste generation, transport, waste processing and application/ substitution.
Het recreatieve gebruik van lachgas heeft de laatste jaren een grote vlucht genomen. Hoewel incidenteel lachgasgebruik nauwelijks gezondheidsschade geeft, kan langdurig of excessief lachgasgebruik tot neurologische schade leiden. Het viel Amsterdamse zorgcentra en behandelaren op dat met name jonge Marokkaanse en Turkse Nederlanders in stadsdeel Amsterdam Nieuw-West zich meldden met neurologische symptomen, waaronder ernstige verlammingsverschijnselen na problematisch lachgasgebruik. Middels interviews met dertien jonge Marokkaans-Nederlandse gebruikers (19-28 jaar) worden de determinanten van hun problematisch lachgasgebruik belicht, inclusief de relatief lage medisch-psychische zorgvraag bij deze groep gebruikers. Van hen waren zeven jongeren (poly-)klinisch in behandeling voor hun problematische gebruik. De overige zes jongeren waren niet in behandeling, maar gebruikten wel ten minste elke week lachgas.Uit de interviews blijkt dat lachgas wordt gebruikt uit verveling en om psychosociale stress en negatieve gedachten te onderdrukken. Lachgas lijkt een panacee dat verlichting biedt. Andere motieven zijn depressie, discriminatie en conflicten met vrienden of ouders. Door de (taboe)cultuur rond middelengebruik, het wantrouwen, schaamte en machocultuur bij deze groep gebruikers bereikt de hulpverlening pas laat de Marokkaans-Nederlandse problematische lachgasgebruiker. De conclusie is dat het aanbeveling verdient om influencers in te zetten bij campagnes, gericht op de risico’s en behandeling van fors lachgasgebruik. Ook het ‘jongerenwerk’ kan een belangrijke rol spelen in het motiveren van sociaal geïsoleerde gebruikers om medisch-psychische hulp te zoeken.
As in many other countries worldwide, the coronavirus pandemic prompted the implementation of an “intelligent lockdown” in the spring of 2020 in the Netherlands, including the closure of nightlife venues and cancellation of festivals. Such restrictions and social distancing could particularly affect people who use alcohol or other drugs in recreational settings and give rise to new challenges and additional needs in the field of addiction prevention and care. To monitor changes in substance use and provide services with practical directions for tailored prevention, an anonymous web survey was set up, targeting a convenience sample aged 16 years or older through various social media and other online channels. Between May and October 2020, a total of 6,070 participants completed the survey, mainly adolescents and young adults (16–24 years old). These data were used to explore and describe changing patterns in substance use. Overall results showed declined current use compared to “pre-corona,” but mask underlying variation in changing patterns, including discontinued (tobacco 10.4%, alcohol 11.3%, cannabis 16.3%, other drugs 30.4%), decreased (tobacco 23.0%, alcohol 29.1%, cannabis 17.4%, other drugs 20.7%), unchanged (tobacco 30.3%, alcohol 21.2%, cannabis 22.3%, other drugs 17.3%), increased (tobacco 29.6%, alcohol 32.1%, cannabis 32.9%, other drugs 25.3%), and (re)commenced use (tobacco 6.7%, alcohol 6.3%, cannabis 11.1%, other drugs 6.2%). Especially the use of drugs like ecstasy and nitrous oxide was discontinued or decreased due to the lack of social occasions for use. Increased use was associated with coping motives for all substance types. As measures combatting the coronavirus may need to be practiced for some time to come, possibly leading to prolonged changes in substance use with lingering “post-corona” consequences, timely and ongoing monitoring of changing patterns of substance use is vital for informing prevention services within this field.
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Background: Since 2000, the prevalence of recreational nitrous oxide (N 2O) use has increased in the Western world. Although N 2O is a relatively safe drug, the overall increase in the use of N 2O has concomitantly also initiated a modest but important increase in the number of young excessive users. The recent introduction of large 2 kg N 2O tanks, allowing high and prolonged dosing, has facilitated this excessive use. This is of concern, because repeated exposure to high doses of N 2O for a prolonged time is known to induce neurological damage, such as (irreversible) neuropathy and paralysis due to N 2O-induced vitamin B 12 deficiency. The increasing trend of recreational users with N 2O-induced neurological damage at emergency departments confirms the urgency of this development. Objective/Methods: This narrative review describes recent trends in N 2O use and misuse, the adverse health effects associated with excessive use and the risk factors of excessive use. Results: Considering the rising trend in N 2O use, particularly among young and other vulnerable people, we propose to take legislative action to limit the availability of N 2O, and also advocate for better and timely education of non-users, users and medical professionals about the serious side-effects associated with excessive N 2O use. Conclusion: It is concluded that the increase in excessive N 2O use is of serious concern.
Introduction: Over the past decade, frequent use of large quantities of nitrous oxide (N2O) has become more common in the Netherlands. Although N2O poses several negative health consequences for a subgroup of problematic N2O users, there is a lack of knowledge on what characterizes these intensive users. This study therefore aims to provide the demographic and substance use characteristics and experiences during treatment of treatment seeking problematic N2O users and to compare this with a matched group of treatment-seeking problematic cocaine users. Methods: A retrospective chart review was performed of patients who were referred for treatment of problematic N2O use at a large Dutch addiction care facility from January 2020 to September 2022, extracting demographics, pattern of use and follow-up data. Additionally, a subgroup of N2O users was propensity-score matched (1:1) with a subgroup of treatment seeking problematic cocaine users, both groups excluding users with substance use disorders or frequent use of substances other than N2O and cocaine, respectively. Results: 128 patients with a N2O use disorder were included in the total sample and a subgroup of 77 N2O-only users was propensity-score matched on age and sex to 77 cocaine-only users. N2O users were typically young (mean age 26.2 years), male (66.4%), unmarried (82.9%), with a low education level (59.0%) and born in the Netherlands (88.2%), with parents born in Morocco (45.3%). N2O was used intermittently (median 10 days/month, IQR 4.0–17.5 days) and often in very large quantities (median 5 kg [ca. 750 balloons] per average using day, IQR 2–10 kg). Compared to the patients with a cocaine use disorder, matched N2O users were lower educated, more often from Moroccan descent, and less likely to be alcohol or polysubstance users. Despite receiving similar treatments, N2O users were twice as likely to discontinue treatment before completion compared to cocaine users (63 vs. 35%, p = 0.004). Conclusion: Treatment-seeking problematic N2O users are demographically different from treatment-seeking problematic cocaine users and are much more likely to dropout from psychological treatment. Further research is needed into the needs and other factors of problematic N2O users that relate to poor treatment adherence in problematic N2O users.
The recreational use of nitrous oxide (N2O; laughing gas) has largely expanded in recent years. Although incidental use of nitrous oxide hardly causes any health damage, problematic or heavy use of nitrous oxide can lead to serious adverse effects. Amsterdam care centres noticed that Moroccan–Dutch young adults reported neurological symptoms, including severe paralysis, as a result of problematic nitrous oxide use. In this qualitative exploratory study, thirteen young adult Moroccan–Dutch excessive nitrous oxide users were interviewed. The determinants of problematic nitrous oxide use in this ethnic group are discussed, including their low treatment demand with respect to nitrous oxide abuse related medical–psychological problems. Motives for using nitrous oxide are to relieve boredom, to seek out relaxation with friends and to suppress psychosocial stress and negative thoughts. Other motives are depression, discrimination and conflict with friends or parents. The taboo culture surrounding substance use—mistrust, shame and macho culture—frustrates timely medical/psychological treatment of Moroccan–Dutch problematic nitrous oxide users. It is recommended to use influencers in media campaigns with the aim to decrease the risks of heavy nitrous oxide use and improve treatment access. Outreach youth workers can also play an important role in motivating socially isolated users to seek medical and or psychological help.