Safefood dos on-sts-may2011
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Transcript of Safefood dos on-sts-may2011
Overweight is associated with
• Diabetes
• Cancer
• Sleep Apnoea
• Osteoarthritis
• Fatty liver disease
• Psoriasis
• Dementia
• High Blood pressure
• Cardiovascular Disease
Relationship of BMI to Excess
Mortality
300Age at Issue
Bray GA. Overweight is risking fate. Definition, classification,
prevalence and risks. Ann NY Acad Sci 1987;499:14-28.
20-29250
Body Mass Index (kg/[m2])
200
150
100
50
150
30-39
20 25 30
Low
Risk
4035
High
Risk
Moderate
Risk
META-ANALYSIS OF 1.4 Million people – NEJM Dec 2010
Excess weight is a MAJOR risk factor for
diabetes in US adults, 2001 (n=195, 005)
4.17.3
14.9
0
10
20
30
Normal Overweight
BMI 25-29.9
Obese
BMI 30-39.9
Prevalence of diabetes (%)
Obese
BMI 40
25.6
Mokdad et al. JAMA 2003; 289: 76-9
Relative Risk of Developing Cancer
in MalesCancer Type Relative Risk if
Overweight
Relative Risk if
Obese
Oesophegeal 1.5 2.3
Thyroid 1.3 1.7
Colon 1.2 1.5
Renal 1.2 1.5
Normal weight finishes at
Male 12st 2lbs
78Kgs
Female 10st 3lbs
65 kgs
Normal Weight
Waist < 32inches
Female
Waist < 37inches
Male
Toxic environment we live in…
Unsuspected calories abound
Unsuspected Calories
Unsuspected Calories
Burning a lot less energy (per half
hour)
Calories Burned 2004 Calories Burned 1984
Lift (2 mins) 3 Take Stairs 19
Order take away 1 Cook Meal 70
Load Dishwasher 23 Wash Up 80
Watch TV 35 Play Cards 52
Go to car wash 35 Wash Car 104
Play Video Game 53 Play Basketball 280
Ride Lawn Mower 88 Mow Lawn 193
Benefits of weight reduction in
overweight• 5 to 10% loss from presenting body weight
- 20% reduction in all cause mortality
- 40% reduction in diabetes related mortality
- 37% reduction in cancer deaths
- 10mmHg reduction in systolic BP
- Improved lipid profile
Overweight - diet/lifestyle change only required
• Diet – 500 kcalorie deficit/day
healthy eating priciples
• Activity - No consensus
Up to 90 minutes daily
(8 days a week)
• No approach works without this
Who would you rather be?
• Man on Left = Driver
• Man on Right = Conductor
Physical Activity at Work
• Prof. Jerry Morris, – Physical Activity Epidemiology
– Lancet 1953
• 31,000 London Transport Workers– Drivers and Conductors
– London Double Decker Bus
• Drivers had higher rates of Coronary Occlusion (heart attacks) and higher early mortality than conductors
ResultsCoronary Artery Disease of 31,000
London Transport Workers
00.20.4
0.60.8
11.2
1.41.6
Coronary Occulsion
(MI)
Early Mortality
(within 3 days of MI)
Rate
per 1
000
Drivers
Conductors
Morris JN et al., Lancet 1953
ResultsCoronary Artery Disease of 31,000
London Transport Workers
00.20.4
0.60.8
11.2
1.41.6
Coronary Occulsion
(MI)
Early Mortality
(within 3 days of MI)
Rate
per 1
000
Drivers
Conductors
Morris JN et al., Lancet 1953
Normal Weight
Waist < 32inches
Female
Waist < 37inches
Male
2010 – 25,650 papers on
overweight
• 4 Key points for weight management
2010 – 25,650 papers on
overweight
• 4 Key points for weight management
- Never miss breakfast
2010 – 25,650 papers on
overweight
• 4 Key points for weight management
- Never miss breakfast
- Weigh yourself once a week
2010 – 25,650 papers on
overweight
• 4 Key points for weight management
- Never miss breakfast
- Weigh yourself once a week
- Build activity up to 90 minutes daily
2010 – 25,650 papers on
overweight
• 4 Key points for weight management
- Never miss breakfast
- Weigh yourself once a week
- Build activity up to 90 minutes daily
- Watch the calories