Exercise in bipolar patients: A systematic review

Area of Science:

• Psychiatry
• Exercise Science
• Public Health

Background:

• Sedentary lifestyles are common in psychiatric disorders, but the relationship with bipolar disorder and the impact of physical activity remain unclear.
• This systematic review examines the existing literature on exercise interventions and associations in patients diagnosed with bipolar disorder.

Purpose of the Study:

• To systematically review and synthesize findings on the association between physical activity and health outcomes in individuals with bipolar disorder.
• To identify gaps in the current research regarding exercise and bipolar disorder, particularly the need for intervention studies.

Main Methods:

• A systematic literature search was conducted in PubMed and Cochrane Library for studies published between January 1995 and January 2016.
• Keywords included variations of 'physical activity,' 'sedentary,' 'physical exercise,' and 'bipolar disorder,' 'mania,' or 'bipolar depression.'
• Thirty-one studies involving 15,587 patients with bipolar disorder were included in the review.

Main Results:

• Physical activity was associated with reduced depressive symptoms, enhanced quality of life, and increased functioning in bipolar disorder patients.
• A potential link between vigorous exercise and manic episodes was suggested.
• Limited evidence explored biomarkers, sleep, and exercise in adolescents with bipolar disorder.

Conclusions:

• Exercise generally correlates with improved health markers in bipolar disorder, but evidence is insufficient to establish causality.
• The review highlights limitations such as study design heterogeneity, predominantly cross-sectional data, and a lack of intervention trials.
• Further high-quality research, including randomized controlled trials, is essential to elucidate the precise role of physical activity in managing bipolar disorder.