2. Sedentary lifestyle: Lack of physical activity reduces the number of calories your body burns, leading to weight gain.
3. Unhealthy diet: A diet high in unhealthy fats, added sugars, and processed foods contributes to weight gain.
4. Genetics: Certain genes can influence weight gain and the body's propensity to store fat.
5. Certain medications: Some medications can cause weight gain as a side effect, such as steroids, antidepressants, and certain diabetes medications.
6. Medical conditions: Certain medical conditions, such as hypothyroidism, Cushing's syndrome, and polycystic ovary syndrome (PCOS), can contribute to weight gain.
7. Age: As people get older, their metabolism often slows down, and muscle mass decreases, making it easier to gain weight.
8. Stress: Chronic stress can increase the production of cortisol, a hormone that can contribute to weight gain, particularly around the abdomen.
9. Sleep deprivation: Lack of sufficient sleep can disrupt hormone levels and increase appetite, contributing to weight gain.
10. Smoking cessation: Quitting smoking can lead to weight gain in some people due to changes in metabolism.