PubMed · 14124878
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R S ILLINGWORTH. 1964. POOR APPETITE IN CHILDREN. THE BASIC CAUSES.. https://doi.org/10.1177/000992286400300506
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BACKGROUND: Stevia is a plant-based non-nutritive sweetener. Acute effects of stevia ingestion on glycemia and hormonal responses have not been fully investigated. OBJECTIVE: This objective of this study was to evaluate the acute effects of beverages containing stevia alone and in combination with glucose on glycemic, hormonal, and appetite responses. METHODS: This study evaluated three cohorts of n=23 individuals with either normal weight (NW), overweight (OW), or type 2 diabetes mellitus (T2DM) for which each individual completed four test conditions in a randomized sequence crossover study design. The four test conditions were beverages containing stevia (75.6 mg steviol equivalents), water, glucose (30 g), and stevia+glucose (30 g glucose+75.6 mg steviol equivalents). Blood samples were collected before and for 180 min after beverage consumption. Assessments included net area under the curve (niAUC) and incremental maximal concentration values for plasma glucose, insulin, glucose-dependent insulinotropic polypeptide (GIP), glucagon-like peptide-1, glucagon, and PYY. Appetite was assessed with visual-analog scale questions and energy consumption during an ad libitum meal. RESULTS: Responses to the stevia beverage did not differ significantly from those for water alone, and stevia + glucose did not differ significantly from glucose alone for any of the three groups. CONCLUSION: Acute stevia consumption did not materially alter responses for glycemia or hormones involved in glucose and appetite regulation, appetite ratings, or energy intake at a subsequent meal. Clinical Trial Registry number and website where it was obtained: Clinical Trials.gov Identifier: NCT05287906. Study Details | NCT05287906 | A Trial to Assess Steviol Glycosides on Acute Appetite Hormone Release | ClinicalTrials.gov.
The risk for developing obesity has a significant genetic component. Several quantitative trait loci and candidate genes have been identified using current methodological approaches however the information gained thus far is insufficient to adequately explain the genetics underlying human obesity. The completion of a draft of the human genome sequence, the potential benefit of single nucleotide polymorphisms association studies for identifying risk conferring alleles, and developing functional genomics technologies promise to accelerate obesity gene discovery. These advances, used with current evaluative tools (murine molecular genetic techniques), may increase our understanding of human obesity, and ultimately provide better approaches to diagnosis and treatment.
Substantial progress has been made over the last 50 years in studies examining the neural and hormonal basis of thirst and salt appetite. We now understand much about the physiological systems that are engaged in response to perturbations of water and electrolyte balance, including the brain areas that are activated to elicit the appropriate behavioral responses as well as some of the neurotransmitters and hormones that are important in these behaviors. A brief summary of some of the critical and key findings associated with studies of thirst and salt appetite will be reviewed, followed by a discussion of three critical areas of research that have not been fully examined and represent viable future directions of this field.