Contributions of built environment to childhood obesity.

As childhood obesity has reached epidemic proportions, it is critical to devise interventions that target the root causes of obesity and its risk factors. The two main components of childhood obesity are physical inactivity and improper nutrition, and it is becoming increasingly evident that the built environment can determine the level of exposure to these risk factors. Through a multidisciplinary literature review, we investigated the association between various built environment attributes and childhood obesity.

Open-identity donor insemination in the United States: is it on the rise?

Information about US donor insemination programs was reviewed to determine whether an increasing number are offering open-identity donation. Results indicate that indeed, numbers are rising and that the ratio of open-identity to anonymous sperm donors in a program increases the longer that the program has offered an open-identity option.