Longitudinal relationships between muscle dysmorphia symptoms and suicidal ideation

Area of Science:

• Psychiatry
• Psychology
• Behavioral Science

Background:

• Muscle dysmorphia (MD), a subtype of body dysmorphic disorder (BDD), shares symptoms with eating disorders.
• While BDD and eating disorders are linked to suicidality, research on MD and suicidality is limited.
• MD may present additional suicide risk factors compared to BDD or eating disorders.

Purpose of the Study:

• To investigate the longitudinal relationship between MD symptoms and suicidal ideation.
• To establish the temporal directionality of the link between MD and suicidality.

Main Methods:

• A 6-week longitudinal study involving 272 US men with sub-clinical MD symptoms.
• Self-report measures were used at three time points.
• A three-wave autoregressive cross-lagged model analyzed the data.

Main Results:

• Suicidal ideation was found to longitudinally predict increased drive for size.
• Suicidal ideation also predicted increased appearance intolerance, a key MD symptom.
• Certain MD symptoms were predicted by prior suicidal ideation.

Conclusions:

• Findings suggest individuals may develop MD symptoms as a coping strategy for suicidal thoughts.
• Clinicians should address suicidal distress and provide alternative coping mechanisms for comorbid MD and suicidality.
• Interventions should focus on managing suicidal ideation to potentially reduce MD symptom severity.