Our immune system fights infection and viruses. We explore how it can also affect our mood and mental health, as can medications used to treat illness and disease. Could anti-inflammatory drugs be used to treat depression?

If you have any questions or comments email Ian and James at [email protected] . Let them know any other topics you’d like them to cover.

To find out more about depression and support services you can contact Head to Health at www.headtohealth.gov.au  Beyond Blue at www.beyondblue.org.au , Lifeline at www.lifeline.org.au or on 13 11 14 and www.headspace.org.au. Thanks to Future Generation Global.