Perhaps, but non-smokers don’t typically take as many breaks as smokers do. In fact i’ve personally met various people that took up smoking so that they could take more breaks throughout the work day and not get hassled about not being at their desk.
Thankfully at my current work place i am able to get up and take a break if i need it. I often will walk around the neighborhood since we’re near a quiet residential area, but i doubt being able to take such breaks as a non-smoker is doable everywhere. When i worked retail the only break i was allowed to take was my lunch, and my smoking co-workers could absolutely leave to smoke.