An endocrine system malfunction, caused by genetics, infection, or other factors, can result in various disorders such as diabetes, hyperthyroidism, and polycystic ovarian syndrome (PCOS).

More information: Yasmin Zakiniaeiz et al, Greater neuroimmune system deficit in women than men with alcohol use disorder, Biological Psychiatry (2025). DOI: 10.1016/j.biopsych.2025.05.012 ...

In autoimmune disorders, the immune system attacks a person's own body. In anti-NMDA receptor encephalitis, the immune system makes antibodies that attack the NMDA receptor in the brain, ...