Nutrition and Aging
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Questions and Answers

What is the impact of diet and lifestyle during childhood on the risk of chronic disease?

  • It reduces the risk of chronic disease
  • It can increase the risk of chronic disease (correct)
  • It only impacts acute diseases
  • It has no impact on chronic disease risk

    • What are telomeres?

  • Protective regions at the end of chromosomes (correct)
  • Genetically regulated aging factors
  • Harmful by-products of metabolism
  • A type of mutant mice

    • What is the impact of injury to DNA and telomeres due to by-products of metabolism?

  • It accelerates aging (correct)
  • It slows down aging
  • It has no impact on aging
  • It only impacts cellular damage

    • What is the impact of increased longevity in mutant mice?

    <p>Reduced insulin secretion and increased insulin sensitivity</p> Signup and view all the answers

    What are the hallmarks of aging discussed in the text?

    <p>Inefficient repair mechanisms</p> Signup and view all the answers

    What are the factors that influence aging according to the text?

    <p>Environmental, lifestyle, and genetic factors</p> Signup and view all the answers

    What is the impact of malnutrition in older adults according to the text?

    <p>It increases the risk of chronic disease</p> Signup and view all the answers

    What is the impact of injury to DNA and telomeres due to by-products of metabolism?

    <p>It accelerates aging</p> Signup and view all the answers

    What are the mechanisms of aging discussed in the text?

    <p>Inefficient repair or defense mechanisms</p> Signup and view all the answers

    What are telomeres?

    <p>Protective regions at the end of chromosomes</p> Signup and view all the answers

    What is the impact of diet and lifestyle during childhood on the risk of chronic disease?

    <p>It can increase the risk of chronic disease</p> Signup and view all the answers

    Which factor is associated with autophagy?

    <p>Cellular damage clearance</p> Signup and view all the answers

    What is the target protein for resveratrol?

    <p>SIRT1</p> Signup and view all the answers

    What did the second study of caloric restriction in Rhesus monkeys (2012) reveal?

    <p>Restricted-diet monkeys did not live any longer than non-diet restricted monkeys</p> Signup and view all the answers

    What is the role of SIRT1 in the brain of mice?

    <p>Delaying cancer onset</p> Signup and view all the answers

    What is a common physiological change seen in aging?

    <p>Sensory decline</p> Signup and view all the answers

    What is a potential effect of prescription and over-the-counter medications on nutritional status?

    <p>Interference with tasting, leading to reduced food intake</p> Signup and view all the answers

    What is the main focus of caloric restriction for anti-aging?

    <p>Eating fewer calories than the body needs</p> Signup and view all the answers

    What is the effect of SIRT1 gene overexpression in the brain of mice?

    <p>Mice live longer and healthier</p> Signup and view all the answers

    What is the potential impact of autophagy on longevity?

    <p>Promoting longevity</p> Signup and view all the answers

    What is the role of resveratrol in anti-aging?

    <p>Has anti-aging properties such as anti-inflammatory and cardioprotective effects</p> Signup and view all the answers

    What is a potential effect of aging on the liver and kidneys?

    <p>Decline in size and functioning</p> Signup and view all the answers

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