lorem, ipsum

belsirne30
Chap11111.ppt

Nutrition Research

  • Scientists uncover nutrition facts by experimenting (Fig. 1-3)
  • Research designs (Fig. 1-4):
  • case studies - individuals
  • epidemiological study - populations
  • intervention study - populations with manipulation
  • laboratory study - tightly controlled conditions

*

Nutrition Research

  • Single studies must be replicated before findings become valid
  • Consumer corner: Can we trust the media?
  • Do not take actions based on the findings of single study
  • Science works by the accumulation of evidence and by consensus
  • Sometimes the media sensationalizes even confirmed findings

*

Controversy 1

  • Separating the Imposters From the Real Nutrition Experts
  • Identifying valid nutrition information (pg 21)
  • Table C1-2: Some Credible Sources of Nutrition Information (also see course outline)
  • Table C1-3: Nutrition on the Web – Is This Site Reliable?
  • Fig C1-1: Earmarks of Nutrition Quackery

*

Identifying Valid Nutrition Information

  • Information derived from scientific research, conducted by scientists with these characteristics:
  • Test ideas through properly designed scientific experiments
  • Recognize inadequacies of anecdotal evidence / testimonials
  • Do not apply research findings from animals to humans
  • Do not generalize findings to all population groups
  • Report their findings in respected scientific journals that are peer reviewed

*

*

Nutritionist

  • Term is not regulated
  • May have university degree in nutrition
  • May not have formal training, self-taught, variable degree of nutrition information accuracy
  • Your pet can get a nutrition diploma from a diploma mill

*

Registered Dietitian (R.D.)

  • Term is regulated by law
  • Member of provincial regulatory body (CDM = College of Dietitians of Manitoba)
  • Optional membership to Dietitians of Canada
  • 4 year undergraduate degree plus 8-12 month internship (practical experience) in health care setting
  • Table C1-6: Terms Associated with Nutrition Advice

*