Unexplained weight loss, or losing weight without trying, can be a cause for concern.There may be any of the following reasons,
Depression:
Weight loss may be a side effect of depression, which is defined as feeling sad, lost, or empty for at least two weeks. These emotions interfere with daily activities, such as going to work or school.Depression affects the same parts of the brain that control appetite. This can lead to poor appetite, and eventually, weight loss.
In some people, depression may increase appetite. The symptoms vary from person to person. Other symptoms of depression include:
- constant sadness
- loss of interest in hobbies
- low energy
- poor concentration
- sleeping too little or too much
- thoughts of death or suicide
- irritability
Muscle loss:
Muscle loss, or muscle wasting, can lead to unexpected weight loss. The major symptom is muscle weakness. One of your limbs may even look smaller than the other.If you lose muscle, you’ll lose weight.
Overactive thyroid:
Hyperthyroidism, or overactive thyroid, develops when your thyroid gland makes too much thyroid hormone. These hormones control many functions in the body, including metabolism.
If your thyroid is overactive, you’ll quickly burn calories even if you have a good appetite. The result can be unintentional weight loss.
Other symptoms include:
- fast, irregular heart rate
- anxiety
- Fatigue
- heat intolerance
- sleep troubles
- Hand tremors
Other causes:
Weight loss also usually occurs in following conditions;
- Tuberculosis
- Inflammatory bowel disease
- Cancer
- Rheumatoid arthritis
