It could be said that mathematics is the language of physics. That is another way of better understanding what is physics. Numerical values, units of measurement, and similar concepts are all mathematical in nature, and are used to describe physical quantities in the most accurate and precise manner.
In brief: Cough headache. There are a couple of possibilities. Coughing can raise the pressure inside your head, which can cause pain sometimes. There is also a poorly-understood entity called the primary cough headache,  that is associated with coughing, straining, laughing, crying, etc.
Cough headaches are an unusual type of headache triggered by coughing and other types of straining â such as from sneezing, blowing your nose, laughing, crying, singing, bending over or having a bowel movement. Doctors divide cough headaches into two categories. Primary cough headaches are usually harmless, occur in limited episodes and eventually improve on their own. Secondary cough headaches are more serious, as they can be caused by problems within the brain. Treatment of secondary cough headaches may require surgery. 1  Symptoms.