“It is a key element [of] mental health,” says Dr Jacinta Brinsley, an exercise physiologist at the University of South Australia, whose research focus is exercise and mental health. “Physiologically, we’re designed to move. Aerobic exercise increases blood flow to your brain, it helps regulate your insulin sensitivity, your blood glucose, it promotes your immune function. It makes the systems in your body work at their optimal level to maintain homeostasis.
Then there is the stimulation of neurotransmitters. Along with a boost in the mood-stabilising chemical, serotonin, exercise primes our motivation circuits via dopamine, which are depleted in people suffering depression. “The beneficial effects of increased physical exercise have been shown in brain disorders such as depression and anxiety disorders,” Hannan says. “However, exercise is not a ‘cure all’.”
sarzberry No amount of cardio is going to undo the trauma the State Premiers have inflicted on us in the last two years. I can only imagine the spike in new antidepressant prescriptions.
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