Early symptoms include headache, a thick-feeling tongue, thirst, sweating, and vomiting.
en.wikipedia.org Workload has been linked to a number of strains, including anxiety, physiological reactions such as cortisol, fatigue, backache, headache, and gastrointestinal problems.
en.wikipedia.org Physical symptoms include severe fatigue, mild to severe headache, and flu-like and allergy-like symptoms, such as sneezing, itchy eyes, nasal irritation, and muscle pain.
en.wikipedia.org He found that if he gave into these babbling fits, the headache would be alleviated.
en.wikipedia.org