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Impact of lack of sleep on circulation

Scientists have been aware of the negative impacts of improper sleep rates since a long time. The impacts are short term as well as long term in humans. It mainly affects an individual's cardiovascular system. But improper sleep's effects on circulation have always remained unclear. Through some new studies, scientists have uncovered some potential mechanisms. Researchers from University of Colorado Boulder are looking into how circulation is affected by promoting the build-up of fatty deposits in the arteries (atherogenesis) due to lack of sleep, which in turn leads to stroke or heart attack. This study proposes a new potential mechanism through which sleep influences heart health and overall physiology, says senior author Prof. Christopher DeSouza. After the study, results showed that patients who received less than the optimum 7 hours of sleep had their blood levels of three key circulating miRNAs that were 40-60% lower than the participants who received 7-8 hours of sleep. These three key circulating miRNAs - miR- 125A, miR-126, and miR-146 lead to suppression of expression of proinflammatory proteins. Prof. DeSouza says, they are like cellular brakes, so if beneficial microRNAs are lacking, that can have a big impact on the health of the celland explains how lack of sleep can affect our health in due course of time.
(Credit: www.medicalnewstoday.com)

How checking weight everyday prevents weight gain

The obese state among American population is found to be on a rise with current statistics showing 37% of the U.S citizens as obese. Also, more than 32% of U.S adults are said to be overweight. In this state, scientists have come up with a new strategy for preventing holiday weight gain by adopting a psychological mechanism. An average number of people are under the threat of obesity in future even though their weight gain per year is a considerable small amount of 0.4 1.5 Kg. A new research was led by Jamie Cooper, Ph.D., who is an associate professor in the Department of Foods and Nutrition at the University of Georgia in Athens. During the study, participants ageing from 18- 65 years were analysed. They were asked to make three visits one before holidays, one after holidays and one 14 weeks after a period of intervention. During the intervention, participants were asked to maintain their weight somehow and did not advice on any methods in doing so. At the end, those who constantly checked their weight and got a graphical representation of their weight changes were led to weight loss or maintained the same weight, while on the other hand, those who failed to check weight daily gained weight. Scientists said that those who checked their weight dieted harder or exercised harder every time they noticed a slight weight gain, thus keeping weight gain at bay. People are really sensitive to discrepancies or differences between their current selves and their standard or goal. When they see that discrepancy, it tends to lead to behavioral change. Daily self-weighing ends up doing that for people in a really clear way. explains study co-author Michelle vanDellen.
(Credit: www.medicalnewstoday.com)