The cause of cluster headaches is unknown. They tend to run in families, which suggest genetics may play a role. They may be triggered by changes in sleep pattern and by certain medications. Symptoms of a cluster headache include unilateral pain in the face and head that is sharp in quality and very short in duration.
The normal temperature of human urine ranges from 94Â°F to 96Â°F (about 35 Â°C). The temperature of drug test sample must be measured during first 4 minutes after it was received, as it changes depending on ambient temperature. Acceptable range is from 90 Â°F to 100 Â°F (32 Â°C - 38 Â°C) , any sample with a temperature out of this range will immediately fall under suspicion.
Average urine production in adult humans is around 1.4 L of urine per person per day with a normal range of 0.6 to 2.6 L per person per day, produced in around 6 to 8 urinations per day depending on state of hydration, activity level, environmental factors, weight, and the individual's health.rine varies in appearance, depending principally upon a body's level of hydration, as well as other factors. Normal urine is a transparent solution ranging from colorless to amber but is usually a pale yellow. In the urine of a healthy individual the color comes primarily from the presence of urobilin.