Why Does Anxiety Cause Weight Loss?

Why Does Anxiety Cause Weight Loss?
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It's easy to underestimate the effects of stress and dismiss anxiety as a normal part of life. The list of common anxiety symptoms includes both weight gain and weight loss, depending on how a specific individual responds to stress. Since many people struggle with trying to lose weight, it may seem this anxiety symptom is a positive thing, but unhealthy weight loss is not something to take lightly.

Loss of Appetite

Although many people respond to stress by eating high-calorie comfort foods, loss of appetite is also on the list of anxiety symptoms. Anxiety can trigger mild depression, which can cause people to lose interest in eating, according to AnxietyCentre.com. It can also cause a loss of taste sensation, making foods less palatable and enjoyable. People can become so concerned with their source of anxiety they forget to eat. If this persists, the nutritional imbalance can increase anxiety symptoms and lead to more serious symptoms.

Burning More Calories

One of the common effects of stress is restlessness, which can cause people to pace or fidget. The extra calories burned can contribute to weight loss. In addition, exercise is a common remedy for stress. Whether it's a walk outside to get your mind off of things or a tough workout regimen in the gym, the extra physical activity contributes to weight loss. Although this is generally healthy weight loss, excessive exercise can also be harmful.

Smoking and Coffee

Smokers typically light up more often when they feel the effects of stress. Cigarettes make them feel calmer, but nicotine speeds up their metabolism and acts as an appetite suppressant. This is why smokers typically gain weight when they quit smoking. Other people may drink more coffee or tea when stressed. Although it may seem counterintuitive to increase caffeine intake when feeling anxiety, these beverages may serve the role of comfort food. Caffeine is another appetite suppressant.

Anti-Anxiety Medications

A group of anti-anxiety drugs called selective serotonin reuptake inhibitors, or SSRIs, can contribute to weight loss by causing nausea and suppressing appetite, notes the Mayo Clinic. Patients starting on these drugs may find themselves eating less in the first few days of taking the medications. Over time, the nausea should fade, and normal appetite should return.

When to See a Doctor

Unexpected weight loss can be symptomatic of a number of serious medical conditions. If you are eating the same as when you were unstressed and not exercising any more than before but still losing weight, talk to your physician. If you are experiencing any other symptoms, such as intolerance to temperature or a swelling in your neck, you should be checked for hyperthyroidism, advises Medline Plus. If any of your anxiety symptoms are overwhelming to the point you find it hard to function or if you lose more than 5 percent of your body weight in a six- to 12-month period, contact a health care provider.

References

Article reviewed by ShellyT Last updated on: Jun 30, 2010

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