GLP-1 Weight Loss Drugs Linked to Reduced Risk of Violent Behavior: Study - Video

A class of medications commonly prescribed for diabetes and weight management may be linked to reduced violent behavior by weakening the connection between impulsive tendencies and aggressive actions, according to a new study published in Criminology.

Researchers from Rutgers University examined whether these medications influence behavioral factors that are strongly associated with violence, particularly impulsivity and alcohol consumption. Previous research has suggested that these treatments may affect brain pathways involved in reward, self-control, and decision-making, raising questions about their potential impact beyond metabolic health.

The study analyzed data from a nationwide U.S. survey involving 7,521 adults, with a primary focus on 821 individuals who had used these medications. Researchers compared current users with former users and assessed how medication use influenced the relationship between impulsivity, alcohol use, and self-reported violent behaviors such as fighting, assault, and robbery.

Consistent with previous research, higher levels of impulsivity and alcohol consumption were associated with a greater likelihood of violent behavior across the overall sample. However, these associations were significantly weaker among people who were currently taking the medications.

The researchers found that the link between impulsivity and violent behavior was approximately 62% weaker among current users compared with former users. The relationship between alcohol use and violent behavior was also reduced by about 52%, although those findings were less consistent across additional analyses.

According to the researchers, the results suggest that the medications may not eliminate impulsive tendencies but could weaken the process that turns impulses into actions. This effect resembles mechanisms seen in behavioral therapies that help people improve self-control and decision-making.

The authors caution that the study does not prove the medications directly reduce violent behavior. Because the research was observational and based on a single point in time, it can only identify associations rather than establish cause and effect.

REFERENCE: Daniel C. Semenza, Christopher Thomas. Glucagon-like peptide-1 receptor agonist use and violent crime among US adults. Criminology, 17 June 2026 DOI: 10.1111/1745-9125.70058