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Related Concept Videos

Sugars as Energy Storage Molecules01:10

Sugars as Energy Storage Molecules

Sugar (a simple carbohydrate) metabolism (chemical reactions) is a classic example of the many cellular processes that use and produce energy. Living things consume sugar as a major energy source because sugar molecules have considerable energy stored within their bonds. Consumed carbohydrates have their origins in photosynthesizing organisms like plants. During photosynthesis, plants use the energy of sunlight to convert carbon dioxide gas into sugar molecules, like glucose. Because this...
Sugars as Energy Storage Molecules01:10

Sugars as Energy Storage Molecules

Sugar (a simple carbohydrate) metabolism (chemical reactions) is a classic example of the many cellular processes that use and produce energy. Living things consume sugar as a major energy source because sugar molecules have considerable energy stored within their bonds. Consumed carbohydrates have their origins in photosynthesizing organisms like plants. During photosynthesis, plants use the energy of sunlight to convert carbon dioxide gas into sugar molecules, like glucose. Because this...
Obesity01:24

Obesity

The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
Overview of Carbohydrate Metabolism01:19

Overview of Carbohydrate Metabolism

Carbohydrate metabolism is a fundamental biochemical process that ensures a constant supply of energy to living cells. The most important carbohydrate is glucose, which can be broken down via glycolysis to enter into the Krebs cycle and eventually lead to the production of ATP through oxidative phosphorylation.
Glucose transport into cells is facilitated by a family of transport proteins called GLUT (Glucose Transporters). GLUT4 is the primary glucose transporter for insulin-stimulated glucose...
Glucose Transporters01:27

Glucose Transporters

Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Glucose Homeostasis: Regulation of Blood Glucose01:02

Glucose Homeostasis: Regulation of Blood Glucose

Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...

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A Method for Manipulating Blood Glucose and Measuring Resulting Changes in Cognitive Accessibility of Target Stimuli
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Published on: August 12, 2016

Exploring the relationship between sugars and obesity.

Winsome Parnell1, Noela Wilson, Donnell Alexander

  • 1Department of Human Nutrition, University of Otago, Dunedin, New Zealand. winsome.parnell@otago.ac.nz

Public Health Nutrition
|September 25, 2007
PubMed
Summary

This study found no association between current sugar or sucrose intake and body weight status in New Zealand adults and children. Lower sugar intake was linked to higher overweight/obesity risk in both groups.

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Area of Science:

  • Nutrition Science
  • Public Health
  • Epidemiology

Background:

  • Rising rates of obesity globally necessitate understanding dietary contributors.
  • The role of sugar and fat intake in body weight regulation remains a key research area.
  • Previous research suggests complex interactions between macronutrient intake and body mass index (BMI).

Purpose of the Study:

  • To investigate the relationship between body mass index (BMI) and the intake of sugars and fat in New Zealand adults and children.
  • To analyze dietary patterns related to sugar and fat consumption and their association with weight status.

Main Methods:

  • Secondary analysis of the 1997 National Nutrition Survey and 2002 Children's Nutrition Survey data from New Zealand.
  • Body mass index (BMI) calculated from height and weight; sugar, sucrose, and fat intakes estimated from 24-hour dietary recalls.
  • Linear regression used to assess relationships between BMI and dietary intakes; chi-squared tests for diet-type group comparisons.

Main Results:

  • Obese children had significantly lower total sugars intake than normal weight children.
  • Individuals with the lowest intake of sugars from foods were more likely to be overweight or obese.
  • No significant relationship was found between sucrose intake from sugary beverages and BMI in adults or children.

Conclusions:

  • Current sugar and sucrose intake levels are not directly associated with body weight status in the New Zealand population.
  • Dietary patterns, particularly low intake of sugars from foods, may be more indicative of overweight/obesity risk.
  • Further research into specific food sources of sugars and their impact on weight is warranted.