 by Matt Gillman, MD, SM When you hear the word primordial, does it bring to mind 1) a primeval ooze or 2) the ability to keep babies healthy for a lifetime? If you are interested in #2, read on...
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 by Renata Smith, MPH We already know that lack of sleep is bad for your health. Chelsea Jenter and Elizabeth Cespedes highlighted how screen time limits sleep and that poor sleep is associated with obesity, poor cognition, and children’s behavior. Much of this prior literature has focused on the impact of television screen time on children’s sleep, especially the presence of TVs in children’s bedrooms. But what about small screens (smart phones, iPads, iPods, etc.)?
 by Renata Smith, MPH Exposure to media and advertising has been linked to consumption of low-nutrient foods in children. The bulk of food advertising is for high-calorie, low-nutrient foods, such as sugary cereals, fast foods, candy, and soda. Traditional methods of advertising include television commercials, popular character licensing, and athlete endorsements. As technology advances, “new media” advertising on social media, mobile devices, and the Internet has also evolved. If you use Facebook, you may have noticed “sponsored posts” that now show up in your newsfeed (as a runner, I see targeted ads from race organizers, gear companies, etc., for example).
 by Chelsea Jenter, MPH For kids, sugar not only tastes good, but it makes them feel good too. This might explain my four year old’s obsession with Halloween. The Friday before last, she sprinted from house to house, as if it was her only chance to get candy in this century. And though Halloween was just two weeks ago, she’s already asking how long it is until the “next” Halloween. What is this obsession with candy? This could be a long year.
 by Karen Switkowski, MS, MPH Height is about more than physical appearance or the ability to reach items on the upper shelves of the grocery store. Economics research indicates that taller people make more money, even after controlling for factors such as age, gender, weight, education, and experience. In public health research, we often use height and growth rate as a study outcome when looking at the effects of various exposures, particularly nutritional factors. Height is an easily measured variable that can be used as a general marker of nutritional status and also predict health and developmental outcomes. What are some of the research questions that height is used to study?
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