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Fasting During the Day Can Aid Weight Loss

Fasting Morning & Night Can Aid Weight Loss

A new approach to losing weight that allows people to eat what they want, and the quantity they want — although only for a set number of hours a day — has been found to reduce weight and lower blood pressure.

Moreover, the diet may be easier to maintain.

Investigators say the study is the first to examine the benefit of fasting that limits food consumption to select hours each day on weight loss in obese individuals.

Investigators from the University of Illinois at Chicago examined the effect of time-restricted eating by following 23 obese volunteers who had an average age of 45 and average body mass index, or BMI, of 35.

The study appears in the journal Nutrition and Healthy Aging.

Between the hours of 10 a.m. and 6 p.m. the dieters could eat any type and quantity of food they desired. However, for the remaining 16 hours participants could only drink water or calorie-free beverages. The study followed the subjects for 12 weeks.

When compared to a matched control group from a previous weight loss trial on a different type of fasting, the researchers found that those who followed the time-restricted eating diet consumed fewer calories, lost weight and had improvements in blood pressure.

The U.S. Centers for Disease Control and Prevention estimates that more than one-third of adults in the U.S. have obesity. Obesity greatly increases the risk of metabolic diseases such as coronary heart disease and Type 2 diabetes. Moreover, obesity is most prevalent among non-Hispanic black individuals and middle-age adults.

For the study, participants on average consumed about 350 fewer calories, lost about 3 percent of their body weight and saw their systolic blood pressure decreased by about 7 millimeters of mercury (mm Hg).

All other measures, including fat mass, insulin resistance and cholesterol, were similar to the control group.

“The take-home message from this study is that there are options for weight loss that do not include calorie counting or eliminating certain foods,” said corresponding author Dr.Krista Varady, an associate professor of kinesiology and nutrition.

While this is the first study to look at the 16:8 diet, named for its 16 hours of fasting and its 8 hours of “feasting,” Varady says that the results align with previous research on other types of intermittent fasting diets.

“The results we saw in this study are similar to the results we’ve seen in other studies on alternate day fasting, another type of diet,” Varady said, “but one of the benefits of the 16:8 diet may be that it is easier for people to maintain. We observed that fewer participants dropped out of this study when compared to studies on other fasting diets.”

Varady says that while the research indicates daily fasting works for weight loss, there have not yet been studies to determine if it works better than other diets, although the researchers observed the weight loss to be slightly less than what has been observed in other intermittent fasting diet studies.

“These preliminary data offer promise for the use of time-restricted feeding as a weight loss technique in obese adults, but longer-term, large-scale randomized controlled trials [are required],” Varady and her colleagues write.

“The 16:8 diet is another tool for weight loss that we now have preliminary scientific evidence to support,” Varady said.

“When it comes to weight loss, people need to find what works for them because even small amounts of success can lead to improvements in metabolic health.”

Source: University of Illinois at Chicago

Fasting Morning & Night Can Aid Weight Loss

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2018). Fasting Morning & Night Can Aid Weight Loss. Psych Central. Retrieved on September 26, 2018, from https://psychcentral.com/news/2018/06/19/fasting-morning-night-can-aid-weight-loss/136327.html

 

Scientifically Reviewed
Last updated: 19 Jun 2018
Last reviewed: By John M. Grohol, Psy.D. on 19 Jun 2018
Published on PsychCentral.com. All rights reserved.