Excess weight can lead to the following disorders
CVD,hypertension,diabetes,cholesterol,joint pain,respiratory problems,cancer,menstrual abnormalities,gallbladder disease.
Factors that contribute to weight problems
metabolism,resting metabolic rate
the amount of energy used for vital body function
resting metabolic rate
the energy that you use while you are resting
3 ways our bodies burn calories
Digestion,daily expenditure,physical activity
Burn up energy to digest food (5-15%)
daily life function (55-75%)
If you concume more than what you are getting rid of ,you gain weight.(10-40%)
Factors that affect metabolic rate
Heredity,Lean mass,exercise,weight cycling,restrained eating theory,coping with stress
consuming the same amount of calories as expended through physical activity.
Negative caloric balance
consuming less calories through diet than expending through physical activity
Positive caloric balance
consuming more calories through diet than expending through physical activity
limiting portion sizes is critical for weight management ,eyes are bigger than your stomach
limiting fat calories
Fat is necessary in your diet,should supply no more than 30% of total diet
are needed to maintain a healthy body weight,should make up 55-60% of diet,dieters usually cut back on bread ,pasta and potatoes
Average sugar consumption is 150lbs/year ,simple sugars make up a large portion of fun foods
10-15% of diet,foods high in protein are usually high in fat
(high proteins/low carbs) difficult to maintain and usually causes loss of fluids
should eat small frequent meals,dont skip meals,leads to excessive hunger and binge eating patterns
Benefits of physical activity and exercise
exercise burns calories and raises metabolism.weight training builds lean mass and raises metabolism.Low intensity activity burns 50% fat.High intensity activity burns calories
Strategies for losing weight
Do it yourself,getting help
Do it yourself
Strategies for losing weight :doing it alone ,diet aids
Doing it alone
avoid very low calorie diets,combine with exercise,lose 1/2 to 1lb/week.Rapid weight loss
diet pills are most common,side effects:dizziness,headaches,rapid pulse,sleeplessness,hypertension.appetite suppressant.
Strategies for losing weight: prescription drugs, redux Fen Phen,surgery.
Ionamin,Meridia(affect levels of Seratonin),neurotransmitter that controls appetite.drugs produce modest weight loss 5-15%
usually for people who are 100% or more overweight
closing off or removing part of stomach
connecting stomach to lower portion of small intestin
Anorexia Nervosa,Bulimia Nervosa
1-3 million people.90% female,between 12-18 years of age.intense fear of gaining weight.Can cause cardiovascular,gastrointestinal and endocrine disorders.Do not eat enough food to maintain a reasonable body weight,usually intense exercise goes along with disorder.
episodes of binge eating followed by purging.Can consume 1000-60000 calories in a few hours. Can cause : tooth decay,hoarseness,menstrual irregularities,depression,liver and kidney damage.