Adequate exposure to sunshine helps levels of the mood-maintaining chemical serotonin. 

Sleep hygiene techniques aim to improve sleep quality and help treat insomnia. 

• Wholefoods such as leafy green vegetables, legumes, whole grains, lean red meat, and seafood, provide nutrients that are important for optimal brain function. 
• Many types of fitness activities are potentially beneficial – from swimming to jogging to lifting weights or playing sports....

Positive lifestyle changes aren’t a replacement for medication or psychological therapy but, rather, as something people can undertake themselves on top of their treatment.