Childhood overweight continues to increase rapidly in the United States, particularly among African Americans and Hispanics. Culturally competent treatment strategies as well as other policy interventions are required to increase physical activity and encourage healthy eating patterns among children.

Many overweight adolescents are socially marginalized. Such isolation may aggravate the social and emotional consequences of overweight in this age group.

Objective-To provide a comprehensive review of interventions and policies aimed at reducing youth cigarette smoking in the United States, including strategies that have undergone evaluation and emerging innovations that have not yet been assessed for eYcacy. Data sources-Medline literature searches, books, reports, electronic list servers, and interviews with tobacco control advocates. Data synthesis-Interventions and policy approaches that have been assessed or evaluated were categorised using a typology with seven categories (school based, community interventions, mass media/public education, advertising restrictions, youth access restrictions, tobacco excise taxes, and direct restrictions on smoking). Novel and largely untested interventions were described using nine categories. Conclusions-Youth smoking prevention and control eVorts have had mixed results. However, this review suggests a number of prevention strategies that are promising, especially if conducted in a coordinated way to take advantage of potential synergies across interventions. Several types of strategies warrant additional attention and evaluation, including aggressive media campaigns, teen smoking cessation programmes, social environment changes, community interventions, and increasing cigarette prices. A significant proportion of the resources obtained from the recent settlement between 46 US states and the tobacco industry should be devoted to expanding, improving and evaluating "youth centred" tobacco prevention and control activities.

We present the results of three large-scale randomized controlled trials (RCTs) carried out in Chicago, testing interventions to reduce crime and dropout by changing the decision making of economically disadvantaged youth. We study a program called Becoming a Man (BAM), developed by the nonprofit Youth Guidance, in two RCTs implemented in 2009–2010 and 2013–2015. In the two studies participation in the program reduced total arrests during the intervention period by 28–35%, reduced violent-crime arrests by 45–50%, improved school engagement, and in the first study where we have follow-up data, increased graduation rates by 12–19%. The third RCT tested a program with partially overlapping components carried out in the Cook County Juvenile Temporary Detention Center (JTDC), which reduced readmission rates to the facility by 21%. These large behavioral responses combined with modest program costs imply benefit-cost ratios for these interventions from 5-to-1 up to 30-to-1 or more. Our data on mechanisms are not ideal, but we find no positive evidence that these effects are due to changes in emotional intelligence or social skills, self-control or “grit,” or a generic mentoring effect. We find suggestive support for the hypothesis that the programs work by helping youth slow down and reflect on whether their automatic thoughts and behaviors are well suited to the situation they are in, or whether the situation could be construed differently. JEL Codes: C91, C93, D03, D1, I24, I3, I32, K42.

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In this paper, we use newly available data from the National Longitudinal Survey of Youth to investigate the effects of early motherhood on academic and behavioral outcomes for children born to early childbearers. We find that early motherhood's strong negative correlation with children's test scores and positive correlation with children's grade repetition is almost entirely explained by pre-birth individual and family background factors of teen mothers themselves. However, early childbearing is associated indirectly with reduced children's test scores through its linkage to family size (and thus to child birth order). We find a different pattern in predicting fighting, truancy, early sexual activity, and other problem behaviors among adolescent and young adult off-spring. For these behaviors, maternal age-at-first-birth remains an important risk-factor even after controlling for a wide range of background factors and maternal characteristics. These results highlight the diverse pathways through which teen parenting might influence subsequent child well-being and social performance.

Because of a strong tendency to "medicalize" health status problems and to assume that their primary solution involves medical care, policymakers often focus on increased financial and geographic access to personal health services in policies aimed at populations that are vulnerable to poor health. This approach has produced real public health gains, but it has neglected key social and economic causes of health vulnerability and disparities. Although access to care is a necessary component of population health, concerted policy action in income security, education, housing, nutrition/food security, and the environment is also critical in efforts to improve health among socially disadvantaged populations. [Health Affairs 26, no. 5 (2007):