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Related Concept Videos

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...
Drug Dosing: Obese Patients01:21

Drug Dosing: Obese Patients

In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...

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Related Experiment Video

Updated: May 12, 2026

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults
06:13

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults

Published on: December 1, 2023

Supplementation with a juice powder concentrate and exercise decrease oxidation and inflammation, and improve the

Manfred Lamprecht1, Georg Obermayer, Kurt Steinbauer

  • 1Institute of Physiological Chemistry, Centre for Physiological Medicine, Medical University of Graz, Harrachgasse 21/II, 8010 Graz, Austria.

The British Journal of Nutrition
|April 18, 2013
PubMed
Summary
This summary is machine-generated.

Fruit/berry/vegetable powder supplementation and exercise improve circulation markers in obese women. Eight weeks of FBV supplementation reduced oxidation and inflammation, while exercise enhanced microcirculation.

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Area of Science:

  • Cardiovascular Health
  • Nutritional Science
  • Exercise Physiology

Background:

  • Obesity and sedentary lifestyles increase oxidative stress, inflammation, and vascular dysfunction.
  • Previous studies indicate fruit/berry/vegetable (FBV) supplements and exercise improve redox biology, inflammation, and circulation.
  • Obese women exhibit compromised microcirculation and elevated systemic inflammation.

Purpose of the Study:

  • To evaluate the impact of 8-week FBV supplementation versus placebo on oxidative stress, inflammation, and microcirculation in obese women.
  • To assess the acute effects of a single bout of controlled exercise on these markers.
  • To determine if FBV supplementation modulates exercise-induced changes in microcirculation.

Main Methods:

  • Randomized, double-blind, placebo-controlled trial with 42 obese pre-menopausal women.
  • Intervention: 8 weeks of FBV or placebo capsules, with assessments before and after.
  • Measurements: Blood markers (carbonyl proteins, ox-LDL, TOS, TNF-α, IL-6) and skin capillary microcirculation (blood flow, SO2Hb, rHb) pre- and post-exercise.

Main Results:

  • FBV supplementation significantly reduced carbonyl proteins, ox-LDL, total oxidation status, and TNF-α compared to placebo.
  • FBV group showed significant improvements in blood flow, O2 saturation of Hb (SO2Hb), and relative Hb concentration (rHb).
  • Moderate exercise independently increased blood flow and rHb, with a trend for SO2Hb increase.

Conclusions:

  • Eight weeks of FBV supplementation effectively decreases systemic oxidation and inflammation markers in obese women.
  • Both FBV supplementation and acute exercise improve microcirculatory function in this population.
  • FBV supplementation may offer a beneficial strategy to combat obesity-related vascular dysfunction.