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This remote study will evaluate the feasibility of using the Gatorade Sports Science Institute (GSSI) Labs App for remotely collecting hydration related outcomes.
The goal of this study is to determine the effectiveness and sustainability of a community-participatory hydration intervention over 3 years within a district that has newly installed hydration stations and is operating under a policy designed to enhance heathy hydration practices and promote equitable access to drinking water.
Sports science testing by investigators at Gatorade Sports Science Institute has revealed that many athletes arrive at practice with a high urine specific gravity indicating they are hypohydrated. Though the data showed that most athletes don't lose more than 2% of their body weight in sweat during a training session, it is not known what the cumulative effects of living and training in a hot environment are over the course of a week. Previous research has indicated that prescribing fluid intake is more effective than education in improving drinking behavior during exercise. No studies to date have compared the impact of fluid intake prescription versus education in adolescent boys and girls playing outdoor and indoor sports. Comparing sexes and training environment may provide more clarity around potential barriers and challenges to proper hydration for each environment.
The primary objective of this study is to analyze smart phone-based Transdermal Optical Imaging (TOI) features to develop a model that can discern hydration status, including: 1) at various timepoints throughout a 24-hour period in healthy adults from the general population (GENPOP), and 2) before and after a team coach-led training session in athletes competing in a sport (ATHLETE). TOI data will be collected alongside standard reference measures of hydration status. In this study each subject will serve as their own control.
Compared with White Adults, Non-Hispanic Black Adults are at an elevated risk of developing cardiovascular disease (CVD) and end stage chronic-kidney disease (CKD), two of the leading causes of death in the United States. Inadequate hydration status is associated with risk factors for both CVD and CKD. Prior data show that Black individuals are less likely to be adequately hydrated when compared with their White counterparts. Further, socioeconomic factors have been shown to influence hydration practices. Inadequate hydration influences certain hormones that regulate blood volume and impact blood pressure, but increasing potassium intake may provide some positive effects on normalizing these hormones and blood pressure. Black adults, in particular, are more likely to consume less potassium, have inadequate hydration, and tend to have higher blood pressure. As such, there is a critical need for effective strategies to address racial disparities in hydration and resultant health consequences; as well as establish the role of socioeconomic factors contributing to hydration. Therefore, the investigators are seeking to test the investigators' central hypothesis that water with a potassium supplement will improve hydration and cardiovascular health in young White adults (n = 20, 10 females, 10 males), and to a greater extent in young Black Adults (n = 20, 10 females, 10 males. The investigators will assess measures of blood pressure, arterial stiffness, and biomarkers in the urine and blood samples prior to and following a 14-day hydration intervention of 1) bottled water and 2) bottled water with potassium supplementation (2000mg potassium/day).
This study is a double-blind placebo controlled study to assess whether oral astaxanthin can improve skin hydration, skin elasticity, improve skin pigmentation, and reduce facial redness.
The purpose of this study is to investigate if the consumption of a complex carbohydrate drink preoperatively, decreases the length of stay and causes for failure to launch in patients undergoing ambulatory total joint arthroplasty.
The aim of the clinical trial is to evaluate the efficacy of two novel hydration products on rehydration following exercise.
This study will validate the diagnostic accuracy of a cutaneous hydration sensor. This sensor will also be evaluated for its feasibility as a point-of-care device for the assessment of hydration status and its potential to guide hydration therapy in patients with sickle cell disease (SCD).
The investigators are assessing how seasonal changes affect kidney function biomarkers in post-menopausal women, an understudied group. While heat stress can reduce kidney function, previous research has not accounted for physical activity, diet, hydration, or sun exposure.