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Related Concept Videos

Proteins: Dietary Sources and Requirements01:28

Proteins: Dietary Sources and Requirements

2.0K
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
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Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

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Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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Overview of Protein Metabolism01:21

Overview of Protein Metabolism

4.6K
Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
4.6K
Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

2.6K
Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
2.6K
Dosage Regimen: Individualization01:24

Dosage Regimen: Individualization

279
Individualization in dosing regimens is the customization of medication doses for individual patients. Its necessity arises from the goal of maximizing therapeutic benefits while minimizing risks. This approach is pivotal because human responses to drugs can vary widely; what is effective for one person may be inadequate or excessive for another. Interpatient (intersubject) variability refers to differences in drug responses between individuals, while intrapatient (intrasubject) variability...
279
Drug Dosing: Obese Patients01:21

Drug Dosing: Obese Patients

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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...
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Protein "requirements" beyond the RDA: implications for optimizing health.

Stuart M Phillips1, Stéphanie Chevalier2,3, Heather J Leidy4

  • 1a Department of Kinesiology, Exercise Metabolism Research Group - Protein Metabolism Research Lab, McMaster University, 1280 Main Street W., Hamilton, ON L8S 4K1, Canada.

Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquee, Nutrition Et Metabolisme
|March 11, 2016
PubMed
Summary

Increasing high-quality protein intake supports healthy aging, weight management, and athletic performance. Current evidence suggests adults benefit from 1.2-1.6 g/(kg·day) for optimal health, with no adverse effects on kidney or bone health.

Keywords:
athletesathlètescontrôle du poidselderlyexercice physiqueexercisemuscleobesityobésitépersonnes âgéesproteinprotein qualityprotein recommendationsprotéinesprotéines de qualitérations protéiques recommandéessarcopeniasarcopéniesatietysatiétéweight management

Related Experiment Videos

Area of Science:

  • Nutrition Science
  • Human Health
  • Dietary Protein Research

Background:

  • Growing evidence supports higher protein consumption beyond the Recommended Dietary Allowance for improved health outcomes.
  • Increased protein intake is linked to benefits in healthy aging, appetite control, weight management, and athletic performance.
  • Higher protein diets may mitigate age-related muscle loss (sarcopenia) and improve satiety for weight reduction.

Purpose of the Study:

  • To review current evidence on the benefits of higher protein intakes across the lifespan.
  • To address common misconceptions regarding protein's impact on renal and bone health.
  • To establish optimal high-quality protein intake ranges for adult health.

Main Methods:

  • Synopsis of recent scientific presentations from the 2015 Canadian Nutrition Society conference.
  • Review of existing research on protein consumption and health outcomes.
  • Analysis of protein quality, dosage, and timing considerations.

Main Results:

  • Higher protein diets (1.2-1.6 g/(kg·day)) are associated with healthy aging, sarcopenia prevention, and weight management.
  • Athletes can enhance performance and muscle recovery through increased protein intake.
  • No evidence supports a link between higher protein diets and negative renal or bone health outcomes.

Conclusions:

  • Optimal health outcomes in adults are supported by high-quality protein intakes of at least 1.2 to 1.6 g/(kg·day).
  • Higher protein consumption offers benefits for aging, weight management, and athletic performance.
  • Concerns about adverse effects on kidney and bone health from higher protein diets are not supported by current evidence.