There are growing concerns over the effects of increased consumption of sodas and fruit drinks among adolescents in the United States. A study in the February issue of The Journal of Pediatrics examines this trend among black and white girls over a ten year period.
Ruth Striegel-Moore, Ph.D., and colleagues from several institutions studied three-day food diaries kept by 2,371 girls who participated in the National Heart, Lung, and Blood Institute Growth Health Study. The food diaries were provided by the participants during annual visits between the ages of nine or ten through age 19.
The authors found that for both groups, milk consumption decreased by over 25% during the course of the study while soda intake, on average, nearly tripled, becoming the number one beverage consumed by older girls. There was also an increase in the consumption of fruit drinks among black girls.
Terri Stridsberg | EurekAlert!
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In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
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