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Evolutionary biology provides a crucial foundation for medicine and behavioral science that
has been missing from psychiatry. Its absence helps to explain slow progress; its advent …

To identify pan-ancestry and ancestry-specific loci associated with attempting suicide among
veterans, we conducted a genome-wide association study (GWAS) of suicide attempts within …

Background Cannabis use disorder (CUD) affects one-in-five cannabis users, presenting a
major contributor to cannabis-associated disease burden. Epidemiological data identify the …

Drug addiction, one of the major health problems worldwide, is characterized by the loss of
control in drug intake, craving, and withdrawal. At the individual level, drugs of abuse …

Reward Deficiency Syndrome (RDS) encompasses many mental health disorders, including
a wide range of addictions and compulsive and impulsive behaviors. Described as an …

Experiencing parental substance use (PSU) has been associated with a heightened risk of
developing substance use disorders (SUDs) in offspring. The primary goal of this study was …

Dopamine (DA) is a behaviorally and clinically diverse neuromodulator that controls CNS
function. DA plays major roles in many behaviors including locomotion, learning, habit …

Introduction The number of umbrella reviews (URs) that compiled systematic reviews and
meta-analysis (SR-MAs) has increased dramatically over recent years. No formal guidance …

Objectives To provide a descriptive insight into the different types of research
questions/objectives and associated methodologies of overviews of reviews, supplemented …