Eating disorders are heterogeneous disorders characterised by a maladaptive drive to lose weight and, for the most part, by extreme fear of weight gain and overvaluation of thin body image. Calorie restriction, overexercise and purging behaviours put some sufferers at high risk of physical morbidity and mortality. Mental preoccupations interfere with social, professional and general quality of life. Patients’ defensive secrecy and compulsivity can make it hard to diagnose and treat such disorders despite the suffering they involve. Integrated medical and psychiatric intervention can save life and safely improve nutrition. Behavioural support – with family and carer involvement when appropriate – can counter the dysregulation that leads to vicious cycles of restriction–binge–purge, helping patients develop new skills to regulate emotion without weight losing. In the future, exciting developments in neuroimaging, neurosurgery and pharmacology may lead to ways to make the brain more responsive to therapy. Insights into risk factors may also improve preventive strategies in a climate of highly sophisticated international electronic communication.

Stress is the most important proximal precipitant of depression, yet most large genome-wide association studies (GWAS) do not include stress as a variable. Here, we review how gene × environment (G × E) interaction might impede the discovery of genetic factors, discuss two examples of G × E interaction in depression and addiction, studies incorporating high-stress environments, as well as upcoming waves of genome-wide environment interaction studies (GWEIS). We discuss recent studies which have shown that genetic distributions can be affected by social factors such as migrations and socioeconomic background. These distinctions are not just academic but have practical consequences. Owing to interaction with the environment, genetic predispositions to depression should not be viewed as unmodifiable destiny. Patients may genetically differ not just in their response to drugs, as in the now well-recognised field of pharmacogenetics, but also in how they react to stressful environments and how they are affected by behavioural therapies.

A recent review of research in electroconvulsive therapy (ECT) for depression, for which I was the first author, found that only 11 placebo-controlled studies have even been conducted, all pre-1986. Our review concluded that they were so flawed that the meta-analyses that relied on them were wrong to conclude that ECT is effective. This commentary responds to a critique of the review by Ian Anderson. Some valuable comments are acknowledged and several errors or misunderstandings rectified.

Although mentoring has been widely accepted as a support mechanism for newly appointed consultants, there are many other applications of coaching and mentoring that are less widely appreciated, such as in the development of leadership skills or in having coaching conversations with trainees to facilitate learning. This article summarises some of the basic principles and practices of coaching and mentoring, with a focus on useful knowledge for psychiatric trainers. It describes some of the qualities and skills needed in a coach or mentor; the use of questioning techniques and models; and how the coach or mentor needs an awareness of the importance of the contract in the coaching and mentoring relationship, of the role of coaching or mentoring supervision, and of the ability to evaluate coaching or mentoring. It also discusses some of the organisational context, challenges and opportunities of embedding coaching and mentoring more deeply into the work culture. It is argued that coaching and mentoring as supportive interventions have not been prioritised in the National Health Service in the same way that they have been in the private business sector, where performance and financial success are measurably increased by these techniques.

Smoking rates in people with depression and anxiety are twice as high as in the general population, even though people with depression and anxiety are motivated to stop smoking. Most healthcare professionals are aware that stopping smoking is one of the greatest changes that people can make to improve their health. However, smoking cessation can be a difficult topic to raise. Evidence suggests that smoking may cause some mental health problems, and that the tobacco withdrawal cycle partly contributes to worse mental health. By stopping smoking, a person's mental health may improve, and the size of this improvement might be equal to taking antidepressants. In this article we outline ways in which healthcare professionals can compassionately and respectfully raise the topic of smoking to encourage smoking cessation. We draw on evidence-based methods such as cognitive–behavioural therapy (CBT) and outline approaches that healthcare professionals can use to integrate these methods into routine care to help their patients stop smoking.

Mentoring is becoming increasingly recognised as a tool for supporting the junior workforce and for helping trainees to achieve their full potential. In this article we explore the benefits and barriers to mentoring in psychiatry from a trainee's perspective, and highlight differences between the role of a mentor and clinical and educational supervisor.

Exposure to acute versus chronic stressors and threats activates the immune system in adaptive and maladaptive manners respectively. Chronic activation arising from persistent stress exposure can contribute to an inflammatory response in the periphery and in the brain that has been implicated in stress-related psychopathology, including depression and anxiety. We review the immunology of acute and chronic stress exposure, integrate this discussion with the emerging literature linking heightened immune activation and inflammation to mood and anxiety disorders, and consider the translational implications of the immune system's role in these psychiatric conditions, with a brief overview of potential interventions.

This article gives an update for practitioners on recent developments in the use of electroconvulsive therapy (ECT) and related treatment modalities in the contemporary treatment of depression in the UK. Details are provided on new information on the efficacy and side-effects of ECT both in research studies and in the real world, together with recent research on ECT's mode of delivery. There is a focus on the safe administration of ECT in clinical practice. An update on the regulatory framework for ECT in the UK is provided, together with up-to-date information on the legal situation regarding its prescription. Finally, brief summaries of the current position for other neuromodulatory treatment modalities are given.

Neuroleptic malignant syndrome (NMS) is a rare and potentially fatal adverse reaction to drugs. In psychiatric practice, it is mainly associated with antipsychotics. The classic presentation is that of hyperpyrexia, muscle rigidity, mental state changes and autonomic instability. Subtle forms are difficult to recognise owing to symptom overlap with other conditions. This article discusses the clinical presentation of the syndrome, its differential diagnosis and use of supportive care, medication and electroconvulsive therapy in its treatment. It also explores prevention of NMS and reinstatement of treatment after an episode. It is stressed that all but the mildest forms of NMS should be considered a medical emergency that is properly managed in an acute hospital.

The Royal College of Psychiatrists’ continuing professional development (CPD) module on clinical ethics in psychiatry by Pearce & Tan describes some common ethical dilemmas in psychiatric practice and the work of clinical ethics committees in analysing these dilemmas. In this article we build upon their work and offer additional exploration of the nature of ethical dilemmas in psychiatry. We also build upon the models of reasoning that are described in the module and suggest ways for psychiatrists to think about ethical dilemmas when a clinical ethics committee is not available.

The comorbidity of obsessive–compulsive symptoms (OCS) in the context of schizophrenia is often not recognised by clinicians, and patients may not report these symptoms until they become severe. However, there is a reported prevalence of 10–24% for obsessive–compulsive disorder (OCD) in schizophrenia and related disorders. The onset of OCS/OCD has been noted to occur both before and after the diagnosis of schizophrenia or schizoaffective disorder. It has also been known to occur following commencement of treatment with antipsychotic medications, especially clozapine. Current literature provides limited guidance for treatment. Review of the current evidence supports: addition of selective serotonin reuptake inhibitors (SSRIs) to antipsychotics; addition of aripiprazole, amisulpride or lamotrigine; or reduction in the dosage of clozapine. There is also evidence supporting the addition of cognitive–behavioural therapy and electroconvulsive therapy (ECT). The SSRIs that are evidenced to be useful are fluvoxamine, escitalopram, sertraline and paroxetine. More studies are needed to expand the evidence base. Early targeted interventions are recommended.

Dissociation is a common and often overlooked symptom in traumatised children. Although there is a lack of a scientific consensus as to the nature of dissociation and very limited research about dissociative identity disorder (DID) in children, the authors have seen children given this diagnosis recently referred to their clinic and are concerned about this practice and the parenting approaches that have ensued. The diagnosis of DID in children may be rare or of doubtful validity, but repeated traumatic experiences of an interpersonal nature can have a profound effect on a child's identity, memory and self-organisation. Furthermore, abuse and neglect can increase the risk of dissociative symptoms. This brief article considers dissociation in post-traumatic stress disorder, then outlines developmental factors hypothesised to be associated with dissociation in childhood and early adulthood. It warns that clinicians should keep an open mind about how dissociation may manifest transdiagnostically, and concludes with recommendations for further research.

In response to an article on recent advances in the use of ECT for depression, this commentary supports earlier and more extensive use of the treatment. It challenges the belief that ECT is associated with a higher risk of cognitive deficits and mortality and points out its rapid effect compared with antidepressant medication. It calls for clinicians to remain up to date regarding ECT and consider its opportune use in severe depression.

Resilience is broadly defined as the ability to bounce back from adversity or trauma. Recent advances in resilience research have shifted away from merely describing individual characteristics towards focusing on the complex interactions between individuals and their dynamic personal, community and cultural contexts. It is clear that resilience involves both neurobiological and cultural processes. Neurobiological contributions include genes, epigenetics, stress-response systems, the immune system and neural circuitry. Culture helps to elucidate collective systems of belief and accepted positive adaptations. Importantly, resilience can also be affected by evidence-based interventions and deliberate practice on the part of the individual. This review seeks to understand resilience as a complex and active process that is shaped by neurobiological profiles, developmental experiences, cultural and temporal contexts, and practical training. It uses the COVID-19 pandemic as a case example to better understand individual and group responses to tragedy. We suggest practical recommendations to help populations around the world cope and recover from the global threat of COVID-19.

Advocating for good physical healthcare for their patients is of the utmost importance to psychiatrists. This narrative review focuses on one part of this large goal, the topic of hyperprolactinaemia from the perspective of mental healthcare. For psychiatrists this often includes managing raised prolactin levels in the context of medication. However, they must consider the wider differentials of a raised prolactin level and the possible impact of treatments. For that reason, in this review we start with an overview of prolactin physiology before considering hyperprolactinaemia both in the context of antipsychotic therapy and its wider differentials, including prolactinoma. Investigation and management are considered and key practice points developed.

Internet gaming disorder (IGD) is a condition in which the individual is preoccupied with playing online video games and unable to regulate this behaviour, resulting in adverse physical and psychological consequences. Although there is some debate about whether IGD is an addiction or a coping mechanism, global evidence indicates that the condition is increasing in prevalence with recent advances in technology and its higher penetration into routine life. Male children and adolescents located in East Asian countries are at higher risk than others in the world. Attention-deficit hyperactivity disorder, depression and anxiety are typically associated with IGD. Given the continuing ambiguity regarding the diagnosis and screening tools for the disorder, it has become all the more relevant for mental health practitioners and academics to attend to this condition and develop evidence-based treatments. This review summarises both the existing evidence for the disorder and the debates that surround it.

Clinical decision-making in psychiatry is affected by many factors, including how best to reduce risks of harm while promoting autonomy and personal recovery. This article proposes guidance for clinical decision-making that is consistent with civil liability law. It emphasises collaboration, clarification of the available information and communication of decisions as a basis for recovery-oriented risk management.

Substance misuse worsens the prognosis for people suffering psychosis and places them at risk of being denied appropriate mental health service interventions. To increase the chances of its success, the plan of management for patients with coexisting psychosis and substance misuse should be based on a valid formulation of their problems, which in turn is dependent on the clinician having (a) a thorough understanding of the bidirectional and changing ways that substance use and mental illness symptoms can interact, (b) an awareness of their own biased implicit assumptions about causality in explaining these interactions and (c) a framework for assessment and formulation. This article addresses these three areas with reference to the evidence base and to clinical experience in a way that guides mental health clinicians in the assessment of patients with coexisting psychosis and substance misuse.

Psychodermatology is an emerging field at the interface between psychiatry, psychology and dermatology. There is a strong bidirectional relationship between a number of dermatological disorders and psychiatric disorders. This article provides an overview of psychiatric disorders with dermatological symptoms, and dermatological disorders with secondary psychophysiological consequences. The principles of management and our insights into establishing a psychodermatology service in the UK are discussed.

The ongoing impact on global mental health of the COVID-19 pandemic and the isolation measures used to combat its spread is increasingly acknowledged. This reflection focuses on the effect the pandemic has had specifically on the mental health of women in the peripartum period, using recent case examples from a busy and diverse south London community perinatal psychiatry service.