IMPORTANCE Biological sex and sociocultural gender represent major sources of diversity among patients, and recent research has shown the association of sex and gender with health. A growing body of literature describes widespread associations of sex and gender with cells, organs, and the manner in which individual patients interact with health care systems. Sex-and gender-informed medicine is a young paradigm of clinical practice and medical research founded on this literature that considers the association of sex and gender with each element of the disease process from risk, to presentation, to response to therapy. OBSERVATIONS Characteristics that underlie sex and gender involve both endogenous and exogenous factors that change throughout the life course. This review details clinical examples with broad applicability that highlight sex and gender differences in the key domains of genetics, epigenomic modifiers, hormonal milieu, immune function, neurocognitive aging process, vascular health, response to therapeutics, and interaction with health care systems. These domains interact with one another in multidimensional associations, contributing to the diversity of the sex and gender spectra. Novel research has identified differences of clinical relevance with the potential to improve care for all patients.CONCLUSIONS AND RELEVANCE Clinicians should consider incorporating sex and gender in their decision-making to practice precision medicine that integrates fundamental components of patient individuality. Recognizing the biological and environmental factors that affect the disease course is imperative to optimizing care for each patient. Research highlights the myriad ways sex and gender play a role in health and disease. However, these clinically relevant insights have yet to be systematically incorporated into care. The framework described in this review serves as a guide to help clinicians consider sex and gender as they practice precision medicine.

This cohort study describes the COVID-19 burden among incarcerated individuals and staff in Massachusetts jails and prisons and assesses the association of COVID-19 case rates with decarceration and testing rates.

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There is a current debate in society as to whether depression can be a terminal illness. Meaning-centered psychotherapy (MCP) and psychedelic medicines have both been shown to treat existential distress in palliative care settings. We are reporting the case of a patient for whom MCP combined with ketamine was an effective treatment for his recurrent and severe depressive disorder with suicidal ideation. His complex assessment and management of suicide (CAMS) scores improved significantly with this treatment modality. Ketamine is generally well tolerated and can enhance treatment outcomes in patients undergoing MCP.