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).
The normal respiration rate for an adult person at rest, as stated in the University of Virginia's Health System website, is from 15 to 20 breaths per minute. Respiration rates of more than 25 breaths per minute or under 12 breaths per minute (when at rest) may be considered abnormal.