Plasma leptin levels are lower in females, but not males, with ketamine use disorder.

Ketamine has emerged as a prominent substance of misuse. Leptin, an adipocyte-derived polypeptide hormone, has been implicated in the development of addiction. Sex-specific changes in leptin levels have been demonstrated following acute ketamine administration; the persistence of long-term ketamine use on leptin levels is uncertain.

Medical students' affective reactions to workplace experiences: qualitative investigation in a Chinese cultural context.

Background: Compassion fatigue, unprofessional behavior, and burnout are prompting educators to examine medical students' affective reactions to workplace experiences. Attributes of both students and learning environments are influenced by their socio-cultural backgrounds. To prevent 'educational cultural hegemony', opinion leaders have advocated research in under-represented cultural contexts, of which Asia is a prime example.

Psychiatric and Other Medical Manifestations of Nitrous Oxide Abuse: Implications From Case Series.

Background: Nitrous oxide (N2O), a commonly used anesthetic agent in dentistry, has emerged as a global public health threat in young population. Although N2O-related neurological sequelae such as spinal cord degeneration and sensorimotor peripheral neuropathy are well known, psychiatric manifestations of heavy N2O use remain unclear. Here, we presented 7 treatment-seeking patients with severe N2O use disorder to delineate the psychiatric profiles of N2O users in Asia.