Overweight and Obesity

Overweight People

• 43.4% of men and 33.7% women in the UK were overweight in 2002, figure is rising

• Overweight is a body mass index of 25-29.9 kg/m2

• Estimated that by 2020• One third of all adults and• 50% of children will be obese

• Not just a problem in developed countries

Right Weight for Height?

Source: www.foodstandards.gov.uk

Body Shape

Source: www.foodstandards.gov.uk

Obesity

• 22.1% of men and 22.8% women were obese in 2002

• 11.8 million people in the UK were obese in 2002, figure is rising

• Levels of obesity have tripled since 1980• Obesity is greater than 10% in excess of

normal weight (BMI>30kg/m2).

Causes of Obesity

• Nature vs nurture• Decreased physical activity• Overeating• Age

Cost to the UK:• 18 million sick days• £70,000+ obesity infirmity• 30,000 deaths a year• 40,000 lost years of working life

Obesity and Ill Health

• Hypertension– 6 times higher

• Diabetes– Non-insulin dependent diabetes increases 10 fold

• Coronary Heart Disease– Affects plasma cholesterol and blood pressure

Obesity and Ill Health

• Cancer– Men have high risk of • Prostrate, colon and rectum cancer

– Women have a high risk of• Breast, uterine and gall bladder cancer

• Gall Bladder• Gout-kidney problems

Obesity and Ill Health

• Arthritis• Breathing problems• Accident prone• Increased surgical risk• Functional and psychological disorders• Premature death

Weight Control and Reduction

• Calculate body mass index or use waist measurement to determine healthy weight

• Set reasonable weight loss goal• Establish a caloric deficit• Diet must be adequate in all nutrients• Eat a mixed diet in reduced quantity• Eating habits and lifestyle changes