That's a good point, and I don't know. Though I would propose that there's a difference between chronic stressor and short term stressors. In the case of exerci

That's a good point, and I don't know. Though I would propose that there's a difference between chronic stressor and short term stressors. In the case of exercise you're fluctuating up and down, in the case of a nicotine patch, you might be more constantly stressed.