Stress and nausea can be determined by looking at changes in eating habits, vomiting, lack of energy, and weight loss. (ricevillageanimalhospital.com)
In one study looking at changes in iron stores after aerobic exercise, women who consumed meat retained iron better than those who took iron supplements (26). (healthline.com)
The manager needs to look at change of himself as well. (justarsenal.com)