Eating more calories than one uses each day, either by consuming extra calories than is typical or by being less physically active, increases weight. Increasing the percentage of protein in one's diet can also cause a weight gain, especially when combined with working out to gain muscle. Depression, certain medications and illnesses can also cause weight gain.Continue Reading
According to Fox News, there is evidence to support the fact that depression can cause weight gain, although the weight gain can be attributed to an increase in eating unhealthy foods and a decrease in activity that is a result of the depression instead of the depression itself.
Some medications, including antidepressants and birth control pills, cause weight gain when the medicine does not react well with the body. Medicines can affect metabolism and appetite, both of which can result in weight gain.
Some medical issues, such as ovarian cysts, Cushing's and menopause, can also cause weight gain. Medical problems cause weight gain in many ways. For example. when the digestive system does not work properly, it can cause unexpected weight gain. A lack of nutrients causes the body to run less efficiently. Some medical issues cause lower metabolism, which means the body uses fewer calories, which can easily lead to weight gain.Learn more about Nutritional Amounts & Limits