Some of the key symptoms of thyroid fatigue include: Feeling like you donât have the energy to exercise, and typically not exercising on a consistent basis. A heavy or tired head, especially in the afternoon, as your head is a very sensitive indicator of thyroid hormone status.hyroid-related fatigue begins to appear when you cannot sustain energy long enough, especially when compared to a past level of fitness or ability. If your thyroid foundation is weak, sustaining energy output is difficult.
Medical textbooks suggest that the normal respiratory rate for adults is only 12 breaths per minute at rest. Older textbooks often provide even smaller values (e.g., 8-10 breaths per minute).
Average respiratory rates, by age: Newborns: Average 44 breaths per minute Infants: 20â40 breaths per minute Preschool children: 20â30 breaths per minute Older children: 16â25 breaths per minute Adults: 12â20 breaths per minute Adults during strenuous exercise 35â45 breaths per minute Athletes' peak 60â70 breaths per minute