These studies illustrate that the normal urination of asymptomatic people varies widely with fluid intake, age, gender, and race. Nevertheless, the fact that 95% of femal and male subjects respectively voided fewer than 13 times and 12 times is applicable to this answering.
1 Medical causes â unrelenting exhaustion may be a sign of an underlying illness, such as a thyroid disorder, heart disease or diabetes. 2  Lifestyle-related causes â alcohol or drugs or lack of regular exercise can lead to feelings of fatigue.  Workplace-related causes â workplace stress can lead to feelings of fatigue.
You can have chronic fatigue without having chronic fatigue syndrome. CFS is extreme, long-term fatigue that is associated with other multiple symptoms. Also, in CFS, other possible causes of fatigue have been ruled out.ther substances that can cause fatigue include many over-the-counter and prescription medications, including some antihistamines, blood pressure medications, steroids, tranquilizers, and painkillers as well as marijuana and many other illegal drugs.