Effects of exercise on symptoms of anxiety in primary care patients: A randomized controlled trial.

Background: There is a need for high-quality research regarding exercise interventions for persons with anxiety disorders. We investigate whether a 12-week exercise intervention, with different intensities, could reduce anxiety symptoms in patients with anxiety disorders.

Methods: 286 patients were recruited from primary care in Sweden.

Cardiovascular fitness in males at age 18 and risk of serious depression in adulthood: Swedish prospective population-based study.

Background: Studies suggest a role for cardiovascular fitness in the prevention of affective disorders.

Aims: To determine whether cardiovascular fitness at age 18 is associated with future risk of serious affective illness.

Method: Population-based Swedish cohort study of male conscripts (n = 1 117 292) born in 1950-1987 with no history of mental illness who were followed for 3-40 years.