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.
Fatigue Cause No. 4: Anemia. Anemia is one of the leading causes of fatigue in women. Menstrual blood loss can cause an iron deficiency, putting women at risk. Red blood cells (shown here) are needed because they carry oxygen to your tissues and organs.