* Thyroid problems (Hyperthyroidism): When your thyroid is overactive, your metabolism speeds up, burning calories faster than normal.
* Diabetes: High blood sugar levels can cause your body to break down fat and muscle for energy.
* Digestive issues: Conditions like Crohn’s disease or ulcers can stop your body from absorbing nutrients properly.
* Stress and depression: Mental health struggles can reduce appetite and change eating habits, leading to weight loss.
* Cancer or chronic infections: In some cases, the body loses weight as it fights off serious diseases.