• Save
Sleep
Upcoming SlideShare
Loading in...5
×
 

Sleep

on

  • 5,201 views

Dr Angelo Tremblay discusses obesity prevention in 2011 and beyond. This is part one of his presentation, which focuses on the role of sleep in the prevention of obesity.

Dr Angelo Tremblay discusses obesity prevention in 2011 and beyond. This is part one of his presentation, which focuses on the role of sleep in the prevention of obesity.

Statistics

Views

Total Views
5,201
Views on SlideShare
1,694
Embed Views
3,507

Actions

Likes
2
Downloads
0
Comments
1

12 Embeds 3,507

http://scienceofblogging.com 2717
http://blogs.plos.org 704
http://feeds.feedburner.com 35
http://www.obesitylearningcentre-nhf.org.uk 24
http://translate.googleusercontent.com 13
http://obesity.ulaval.ca 5
http://static.slidesharecdn.com 2
https://webmail.cogeco.ca 2
http://meltwaternews.com 2
http://www.google.com 1
http://www.blackboard.uia.mx 1
http://webcache.googleusercontent.com 1
More...

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

CC Attribution License

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

Sleep Sleep Presentation Transcript

  • How do wepreventobesityin 2011?
    Angelo Tremblay
    Division of Kinesiology
  • How do wepreventobesityin 2011?
    • By counteracting the impact of obesogenicenvironmentalfactors
    • By promotingadequatesleep
    • By increasing the physicalwork/cognitive effort ratio
    • By investing in nutrition competence and healthyfoodavailability
    • By promotinghealthyfood-relatedbehaviours
    • By investing in preventivepharmacology !!!
  • The QuebecFamilyStudyexperience
  • Risk factors for overweight and obesity in adulthood: Results from the Quebec Family Study
    Risk factors Adjusted OR BW (kg) vs
    (cross-sectional) reference category
    (6 y follow-up)
    Short sleep duration 3.81* 1.65
    High disinhibition eating 3.8* 1.46
    behavior
    Low dietary calcium intake 2.88* 1.3
    High susceptibility to hunger 2.2* 1.28
    behavior
    Non-participation in high-intensity 2.03* 1.23
    physical exercise
    High dietary restraint behavior 2.01* 1.09
    Non-consumption of multivitamin 1.86* 0.87
    and dietary supplements
    High dietary lipid intake 1.64** 0.61
    High alcohol intake 1.37** 0.39
    *p < 0.01, ** p < 0.05
    Adapted from Chaput et al, Obesity 2009
  • How do wepreventobesityin 2011?
    • By counteracting the impact of obesogenicenvironmentalfactors
    • By promotingadequatesleep
    • By increasing the physicalwork/cognitive effort ratio
    • By investing in nutrition competence and healthyfoodavailability
    • By promotinghealthyfood-relatedbehaviours
    • By investing in preventivepharmacology!!!
  • Effect of sleep curtailment on appetite control
    Design: randomized, 2-period, 2-condition crossover clinical study in 12 healthy men
    Intervention: 2 days of sleep restriction and 2 days of sleep extension under controlled conditions of caloric intake and physical activity
    Results: plasma leptin (18%) ghrelin (28%) hunger (24%)
    appetite (23%)
    Spiegel K et al. Ann Intern Med (2004).
  • Mean body composition in female short sleepers
    5-6 hours 7-8 hours
    (n=42) (n=239)
    Weight (kg) 75.7 70.5*
    BMI (kg/m2) 29.8 27.3*
    Body fat mass (kg) 29.2 23.3*
    Body fat (%) 36.1 31.6*
    Waist girth (cm) 88.1 83.2*
    Sum of 6 skinfolds (mm)168.9 144.2*
    * Significant difference (p<0.05).
    Chaput et al.Obesity15: 253-261, 2007
  • Correlations between sleep duration and body weight in boys of the “Québec en Forme” Project
    r = –0.33, p < 0.01
    n = 211
    *adjusted for age
    Chaput et al.Int. J. Obes. 30: 1080-1085, 2006.
  • Relationship between potential risk factors and childhood overweight/obesity
    Adapted from Chaput et al.Int. J. Obes. 30: 1080-1085, 2006.
  • Acute partial sleepdeprivationincreasesfoodintake in healthy men
    Values are means. * p < 0.01
    AdaptedfromBrondel et al, AJCN 91:1550-59, 2010
  • From Schmid et al. AJCN 90: 1476-82, 2009