Obesity is a multifactorial disease influenced by both genetic and environmental factors like social, behavioural, psychological, metabolic, cellular and molecular factors
Genetic factors
Genetic base regulates species differences in body fat and sexual differences within the species.
Genetic inheritance influences 50-70%
If both parents are obese, chances of inheritance is 80% and with one parent obese the chance is 50%.
? receptor in adipose tissue is causative factor
Age and sex
It can occur at any age, in either sex as long as the person is under positive energy balance.
As per NFI studies females are more prone to become obese than males
Eating habits
Nibbling between meals.
Fast eating with less chewing.
Responding to external cues rather than internal hunger.
Fond of cooking varieties of food.
Frequent business lunches.
Forcible consumption to prevent leftovers.
Eating food outside more frequently, consumption of highly processed and junk foods.
Cultural practices influencing consumption of more sweets and fats.
Non inclusion of fruits and vegetables or eating more non vegetarian foods.
Depression leading to overeating.
Aggression and sophisticated marketing practices.
Physical activity: Sedentary life, not participating in games and sports and using vehicles for commuting.
Stress: Excess release of endorphins, leads to self gratification, self punishment, depression anxiety
Endocrine factors: Hypothyroidism, hypogonodism and also stages like puberty, pregnancy and menopause
Trauma: Damage to hypothalamus leads to lack of regulation of appetite or satiety
Participants