Explore JAMA Network Open’s collection on Nutrition, Obesity, Exercise, including open access science about using diet and activity to manage chronic disease.
This cross-sectional study investigates changes in physical activity among adults in South Korea from before to during the COVID-19 pandemic.
This cohort study investigates the association of changes in adipokines, inflammatory factors, mood, and physical activity with alterations in cognitive function after bariatric surgery.
This cohort study uses UK Biobank data to examine the association of adhering to healthy lifestyle factors with the incidence of obesity-related diseases.
This randomized clinical trial assesses the efficacy and safety of rivaroxaban as postoperative thromboprophylaxis in patients undergoing bariatric surgery.
This systematic review evaluates the evidence on postdischarge interventions to improve outcomes among children treated for acute malnutrition within 6 months after discharge.
This secondary analysis of a randomized clinical trial investigates the effect of increased vitamin D supplementation up to age 2 years on the risk of internalizing, externalizing, and total psychiatric problems at ages 6 to 8 years.
This cross-sectional study evaluates the association of body mass index and waist circumference with imaging metrics that approximate brain health among participants from the Adolescent Brain Cognitive Development Study.
This case-control study of US adults examines the association of weight loss with future lung cancer diagnosis.
This cohort study of Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial data examined the association between gastrointestinal cancer and body mass index in adulthood and the association between changing body mass index and cancer risk.
This cross-sectional study compares metabolic response to colonic fermentation in lean youth and youth with obesity.
This cohort study investigates whether adherence to overlapping cancer prevention lifestyle recommendations before, during, and after treatment was associated with recurrence or mortality among patients with high-risk breast cancer.
This cohort study examines the association of objectively measured ambulatory activity with risk of premature death among young and middle-aged American Indian individuals.
This cross-sectional study examines whether there are associations between diabetes risk perception and/or awareness and health behaviors in youth.
This cohort study uses data from the Study of Women’s Health Across the Nation to identify factors associated with improvements in physical health and function among women during midlife.
This case-control study examines how recent weight loss of patients with colorectal cancer may affect estimates of the association of colorectal cancer risk with overweight or obesity.
This cross-sectional study examines associations between health-related social needs and health care quality and utilization outcomes among Medicare Advantage beneficiaries with type 2 diabetes.
This cohort study examines cholesterol levels in children with overweight or obesity.
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