How can I loss weight without physical exercise

what is the treatment of overweight 

1.  strict diet under dietition supervision
2. excersice in regular basis , and by excersice it is enough to work out between half hour to 45 minutes by cardio excersice
3. drugs that reduce appettite and increase metabolic rate
4. bariatric surgery if you failed the life style changes as sleeve surgery or balloon surgery or bypass surgery

what are the causes of overweight

1. sedantery lifestyle , no workout 
2. excessive oral intake rich in carbohydrated , and fat
3. familial causes as hypercholestorelemia
4. hypothyroidism

what are the investigations used to diagnose the cause 

1. calculate body mass index
2. lipid profile in the serum , but fasting is mandatory for 12 hours