Age

20–50

Sex

ALL

Healthy volunteers

Accepted

Those with type 1 diabetes
Those with Type 2 diabetes who take insulin therapy or use oral diabetes medication
Those who use drugs for weight loss
Those with unstable cardiovascular disease
Those with kidney or liver failure
Presence of diagnosed malabsorption (celiac disease, Crohn's, ulcerative colitis)
Those who have undergone bariatric surgery
Those who are pregnant or breastfeeding
Menopausal women
Those who use corticosteroids
Those with severe endocrine disorders (hypothyroidism, hyperthyroidism, hypopituitarism)
Those with psychiatric or neurological disease
Weight change of \>5% in the last 6 months
Those with malignant tumors
Those with eating disorders
Shift workers
Relatives
People from different ethnic backgrounds

Weight Loss and CLOCK 3111T/C Polymorphism