Can anxiety cause weight loss?

From W8MD weight loss and sleep centers

Anxiety can lead to weight loss in some cases. When someone experiences anxiety, their body may go into a "fight or flight" response, causing the body to use more energy than it typically would. This can lead to weight loss over time, as the body is burning more calories than it's taking in. Anxiety can also lead to changes in appetite, with some people experiencing decreased appetite as a result of their anxiety.

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