Sherry H. Stewart


Contact via Dalhousie University


Principaux champs de recherche
Chercheur(e)s associé(e)s
Organisations associées

Projets de recherche récents

CRISM-Quebec-Maritimes: Research on interventions in drug misuse

2014/15-2020/21 • $2,374,845 • PI,CO,Other
Substance misuse remains a significant global public health problem which carries a heavy burden for abusers and their families alike. This disorder is indeed associated with suffering and severe health problems in patients, distress among family members, as well as tremendous costs to society....

Families Overcoming Risks and Building Opportunities for Well-being (FORBOW): Early Intervention Targets Psychopathological Antecedents to Pre-empt Severe Mental Illness in Youth at Risk

2016/17-2020/21 • $1,153,591 • PI,Other
Severe mental illness, such as schizophrenia, bipolar disorder and depression, tends to develop in late adolescence. Once the illness is established, available treatments cannot cure it. Early intervention before the illness develops may avoid years of suffering and disability. Families...

Canadian Underage Substance abuse Prevention (CUSP) Trial: A hybrid effectiveness/implementation-facilitation trial to increase access to evidence-based drug prevention for Canadian adolescents

2018/19-2020/21 • $1,101,901 • PI,CO
Despite having made great strides in reducing adolescent binge-drinking rates, illicit substance use remains a significant problem for many Canadian youth and there is also an emerging crisis of prescription drug misuse and related overdose deaths in North America. Targeted and brief...

Tier 1 CRC in Addictions and Mental Health

2016/17-2020/21 • $900,000 • PI
Emotional disorders (EDs; e.g., anxiety disorders, post-traumatic stress disorder, and depression) and addictive disorders (ADs; i.e., substance use and gambling disorders) are common, costly, and impairing. Those with an ED are 2-6 times more likely to develop an AD. Individuals with ED-AD...

The association between COVID-19-related attitudes, concerns and behaviours in relation to public health policies: A behavioural science approach to optimising policy strategies to improve health, economic and quality of life outcomes (the iCARE Study).

2020/21 • $638,775 • PI,CO
The key to halting the rapid spread of COVID-19 and 'flattening the curve' is public adherence to drastic, rapidly evolving behaviour-based prevention policies that are being implemented around the world. However, adherence depends on: public awareness of prevention policies; the extent to which...

Cannabis effects on white matter microstructure and outcomes in early phase psychosis: a 1 year dual site longitudinal study.

2018/19-2020/21 • $510,580 • PI,CO
Schizophrenia, affecting 1% of the population, causes significant burden to individuals, families and society. Fortunately, specialized early phase psychosis (EPP) intervention programs result in positive long term outcomes. Unfortunately, the high rate of cannabis use in EPP affects these...

Personality as a predictor of emerging adults' poor adherence and psychological distress to public health measures for controlling COVID-19 viral spread: Empirical evidence and intervention efficacy

2020/21 • $200,000 • PI,CO,Other
In attempts to control the rapid spread of COVID-19, jurisdictions have instituted restrictive public health measures like social distancing and mask wearing. Worldwide, shocking numbers of individuals are not adhering to such public health measures [11]. And some who are adhering appropriately...

A behavioural science approach to evaluate the prevalence and predictors of COVID-19-related mental health issues and maladaptive behavioural coping (MBC) to inform the development of strategies for tailored interventions

2020/21 • $200,000 • PI,CO,Other
COVID-19 will lead to an increase in mental health issues (e.g., depression, anxiety, post-traumatic stress disorder) and maladaptive behavioural coping (e.g., drinking alcohol, taking drugs, taking out our frustrations on loved ones). However, not everyone will be affected or affected in the...

Substance use disorder treatment transformations due to the COVID-19 pandemic: Impact on Indigenous patients and communities

2020/21 • $157,124 • PI,CO,Other
The COVID-19 pandemic has had a serious impact on Indigenous Peoples across Canada. One area of concern pertains to the disruption of substance use treatment and recovery. Indigenous Nations have rapidly transformed services to expand access through telemedicine and greater access to...

Personality-Targeted Interventions for Addressing Polysubstance Use among Opioid-Addicted Clients Undergoing Opioid Substitution Therapy: A Feasibility Study

2020/21 • $100,000 • PI,CO
We are currently amid a severe opioid crisis, worsened by the COVID-19 pandemic. In Canada, prescription opioid use and opioid overdoses/mortality were soaring pre-pandemic, reaching epidemic levels, with opioid-related deaths only increasing since the pandemic. Powerful and dangerous synthetic...

The Impact of the COVID-19 pandemic on youth substance use problems and services: Knowledge synthesis with Indigenous Nations and organizations

2020/21 • $100,000 • PI,CO,Other
The COVID-19 pandemic has had a serious impact on Indigenous Peoples across Canada. One area of concern pertains to the exacerbation of substance use problems and the disruption of substance use services for Indigenous youth. This study seeks to understand the impact of the pandemic on substance...

Canadian Cannabis and Psychosis Research Team (CCPRT)

2020/21 • $13,134 • PI,CO,Other
While Cannabis is considered a relatively safe psychoactive substance, cannabis-related psychosis risk is a significant public health concern, for which no evidence-based screening or intervention strategies exist. Psychosis often follows heavy cannabis use, particularly if use starts early and...

Understanding health risks and promoting resilience in male youth with sexual violence experience

2014/15-2019/20 • $1,495,070 • PI,CO,Other
This Team grant tackles the hidden problem of sexual violence (SV)victimization among male youths, from early adolescence to young adulthood. SV reflects a range of unwanted, coercive and non-consensual experiences, from sexting to rape. SV (including terms as childhood sexual abuse/CSA, sexual...

Comparing the efficacy of CBT for anxiety sensitivity to disorder-specific CBT in reducing mental health symptoms: A randomized controlled trial

2016/17-2019/20 • $424,298 • PI,CO
Many Canadians with a mental health problem struggle to access effective services. This may be because they live in a rural area with limited services and no clinicians who treat their condition, or because they live with symptoms of more than one disorder (e.g., social anxiety and depression)...

Not so perfect after all: self-critical perfectionism in romantic relationships and breakups

2013/14-2019/20 • $181,400 • PI,CO
Issue Human beings are social animals. We spend roughly 80% of our time around others. For better or worse, relationships with others greatly impact our well-being. Some people have personality traits that impede their ability to participate in satisfying relationships. Life is often difficult...

Differential effects of cannabis use on event-related potential (ERP)-indexed brain function in males and females

2018/19-2019/20 • $132,911 • PI,CO
Cannabis is the most used illicit drug in Canada and around the world. Despite how commonly cannabis products such as marijuana are used, we still do not fully understand the impact of these drugs on the brain. This is particularly true when it comes to the different effects on males and...

Social Media and Mental Wellbeing

2019/20 • $70,480 • PI,CO
Aucun sommaire

Examining the pharmacological and non-pharmacological influences of cannabidiol (CBD) on stress responsivity in healthy men and women

2018/19 • $84,220 • PI,CO
Cannabidiol (CBD) is a naturally occurring cannabinoid that is found in relatively abundant quantities in cannabis plants. In recent years, there has been a surge of interest in using CBD as a therapeutic agent, particularly for psychiatric conditions such as post traumatic stress disorder and...

Scaling up access to personality-targeted interventions for youth at risk of substance use disorders in Canada: A hybrid effectiveness/ implementation-facilitation trial.

2017/18 • $100,000 • PI,CO
Despite having made great strides in reducing adolescent binge-drinking rates, illicit substance use remains a significant problem for many Canadian youth. There is also an emerging crisis of prescription drug misuse and related overdose deaths in North America. Targeted brief...

Use of laboratory and diary methods to clarify the link between social anxiety and risk for university student problematic drinking

2011/12-2015/16 • $334,267 • PI,CO
More than one-third of university students in Canada drink at harmful levels. This behaviour is a major public health concern because of the costs to individuals and society, such as unplanned sex when drinking and drunk driving accidents. The development of effective prevention programs need to...

Understanding reward motivation and expectancy in early phase psychosis smokers: a neuroimaging and genetic approach

2010/11-2013/14 • $201,164 • PI,CO
Psychotic disorders, such as schizophrenia, are severe mental illnesses affecting approximately 3% of the population. These disorders typically begin in late adolescence or early adulthood and are often associated with lifelong, psychological and social impairments. Smoking rates are highly...

YouthCan 2020: A new vision for youth mental health in Canada

2013/14 • $25,000 • PI,Other
The majority of serious mental illnesses and addictions begin during adolescence. It is clear that the effectiveness of early intervention is limited by the barriers that youth face in accessing mental health/addiction services and by the often ineffective delivery of services. This has led to a...

Understanding health risks and promoting resilience in male youth with sexual violence experiences

2013/14 • $10,000 • PI,CO,Other
Sexual violence victimization in males has been an area of gender neglect. Childhood sexual abuse, sexual coercion in dating, adolescent and young adult sexual assault have their impact on male sexual health, mental health, substance abuse, and suicidality. There is a need to clarify the...

Delivering treatment for Oppositional Defiant Disorder at a distance: A randomized trial

2010/11-2012/13 • $867,698 • PI,CO
Approximately 14% of Canadian children aged 4 to 17 years (more than 800,000) have mental health problems. Oppositional Defiant Disorder (ODD), which is characterized by a pattern of hostile, irritable, uncooperative behaviour, a failure to follow rules, and a pattern of conflict with parents...

Distance-based delivery of cognitive-behavioural therapy for high anxiety sensitivity: A randomized controlled trial

2010/11-2012/13 • $150,000 • Scholarship/Fellowship,Other
Anxiety disorders are the most common mental illness in Canada (Statistics Canada, 2004). They are pervasive conditions with serious psychological, physiological, economic, and interpersonal implications (Health Canada, 2002). Anxiety sensitivity (AS) is one individual characteristic that has...

Clarifying Brief Interventions for Hazardous and Harmful Alcohol Use by Youth: A Realist Review

2011/12 • $99,962 • PI,CO,Other
Alcohol misuse among Canadian youth is a significant public health problem. Alcohol dependence is more common among young adults (aged 18 to 24 years) than in all other age groups. Helping youth before alcohol dependence occurs is thus important. Screening, Brief Intervention, and Referral to...

The Role of Aerobic Exercise as Interoceptive Exposure in a Brief Cognitive-Behavioural Treatment for Reducing Anxiety Sensitivity in University Women

2010/11-2011/12 • $70,000 • Scholarship/Fellowship,Other
Anxiety sensitivity (AS; fear of anxiety-related bodily sensations) has been identified as a risk factor for a number of psychiatric disorders, such as panic disorder, post traumatic stress disorder, substance use disorders, hypochondriasis, and depression. AS has also been associated with lower...

Genetics and substance use as causal factors in the development of schizophrenia

2010/11-2011/12 • $47,500 • Scholarship/Fellowship,Other
Schizophrenia is a serious mental disorder affecting 1% of the Canadian population. It is estimated to cost Canadian Society over $2 billion per year. Many individuals with schizophrenia (80%) use and abuse substances, compounding the negative effects associated with their disorder. Much...

Your Personality and Your Mood: Can Your Personality Make You Anxious, Manic, or Depressed?

2011/12 • $3,000 • PI,CO
Mood and anxiety disorders are major health problems. In fact, mood and anxiety disorders are among the most common, impairing, and expensive health problems facing Canadians today. An estimated 1 in 4 Canadians will experience a mood or anxiety disorder at some point in their life (Patten,...

CIHR Team in Access to Children's Mental Health Services

2010/11 • $532,685 • PI,CO
Children with mental health problems frequently do not receive timely specialist care. It is not unusual for families to wait 6 months to a year for assessment and intervention. The consequences of the lack of timely service include deterioration of child and family functioning, discouragement...

Alternative intervention for marijuana use (AIM): Addressing individual risk factors for transitions to initiation and escalation of marijuana use in early adolescence.

2010/11 • $87,001 • PI,CO
Marijuana use is a major problem among youth. Such use is linked to a host of negative outcomes and risky behaviours, including academic problems, dropping out of school, increased mental health problems, risky sexual activity, unsafe driving practices, and progression to other illicit drug use....

Is it All Just in My Head? Understanding and Treating Health Anxiety and Hypochondriasis

2010/11 • $3,000 • PI,CO
Health anxiety involves persistent anxiety about one's health along with beliefs one has an illness or may contract a disease. In diagnostic terms, extreme forms of health anxiety are categorized as hypochondriasis. With an estimated 1% to 11% of Canadian adults reporting problematic levels of...

The vicious cycle: The link between substance misuse and mental health disorders

2010/11 • $3,000 • PI,CO
'Concurrent disorders' is the term used to describe a situation where a single individual is living with both a mental health disorder and a substance use problem. Concurrent disorders are very costly to the Canadian taxpayer and are associated with severe disability and poor response to...

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