Suicide is a global public health challenge, with approximately a million people losing their lives to suicide annually. The study of suicide and understanding and the neurobiology of suicide have remained challenging However, focusing on specific illnesses and pathways may aid in providing a better understanding of the neurophysiology of suicide. For example, Postolache, et al. have extensively reported on Toxoplasma gondii and suicidal behaviors. In this paper, we reflect on the role of immuno...