A study published in The American Journal of Psychiatry which included 33,908 adults found that doing this one thing provided a good immunity against depression. In this video, Pulkit Sharma, clinical psychologist and author talks about this wonderful and easy way to prevent depression. br br Disclaimer: This information is for mental health awareness and is not intended to be a substitute for psychological care. In case you are struggling with mental health issues, kindly consult a mental health professional in your city.