Causes of Weight Loss: Losing weight has always been challenging for people suffering from obesity. Gym, diet, reduction in food and don't know what has to be done to get the desired figure. In such a situation, if the weight starts decreasing suddenly, then it can be the beginning of some serious problems. Problems like sudden weight loss, weakness and tiredness are not common. These can be symptoms of some major diseases. At the beginning of any serious disease, such symptoms are felt, which is necessary to be shown to the doctor in time. Let us know which disease indicates sudden weight loss.

Diabetes
According to a news published in TOI, weight loss is considered a common symptom at the beginning of diabetes. Especially type-2 diabetes which is also known as lifestyle diabetes. Symptoms like tingling in the feet, weakness and weight loss are experienced in Type-2 diabetes. However, after some time the body weight of the person becomes normal as before.

Hyperthyroidism
Hyperthyroidism is a condition in which a person's weight starts decreasing suddenly. A thyroid problem occurs due to an overactive thyroid gland. Iodine exposure, drug reaction and enlargement of the thyroid gland during pregnancy can be the main reason for hyperthyroidism. Hyperthyroidism elevates metabolism, due to which weight loss starts.

Depression
Due to depression, there is a change in the eating habits of the person, due to which the weight can decrease and can also increase. The problem of depression bothers about one out of six people. Most people stop eating due to depression, due to which the body starts taking energy from fat. This is the reason why there is sudden weight loss due to depression.

Cancer
Weight loss can be an early symptom of blood-related cancers such as leukaemia-lymphoma, colon cancer, ovarian cancer and pancreatic cancer. When a person has a cancer problem, then his weight starts decreasing rapidly. Due to cancer, the immunity of the body becomes weak, which is unable to fight against the infection present in the body, due to which the weight starts decreasing.