These headaches have distinct features, such as an unusual duration or pain associated with a certain activity. Although these headaches are generally considered primary, each of them could be a symptom of an underlying disease. These headaches include: 1  Chronic daily headaches. 2  Cough headaches. 3  Exercise headaches.
Most people think of a normal body temperature as an oral temperature of 98.6Â°F (37Â°C) . This is an average of normal body temperatures. Your temperature may actually be 1Â°F (0.6Â°C) or more above or below 98.6Â°F (37Â°C) .
A study published years ago in the Journal of the American Medical Association found the average normal temperature for adults to be 98.2Â°, not 98.6Â°, and replaced the 100.4Â° fever mark with fever thresholds based on the time of day.