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) .
The body temperature of a healthy person varies during the day by about 0.5 Â°C (0.9 Â°F) with lower temperatures in the morning and higher temperatures in the late afternoon and evening, as the body's needs and activities change.herefore, an oral temperature of 37.3 Â°C (99.1 Â°F) would, strictly speaking, be a normal, healthy temperature in the afternoon but not in the early morning. An individual's body temperature typically changes by about 0.5 Â°C (0.9 Â°F) between its highest and lowest points each day.