Doctors donât know exactly what causes migraines. It appears that migraine headaches may be caused in part by changes in the level of a body chemical called serotonin. Serotonin plays many roles in the body, and it can have an effect on the blood vessels. When serotonin levels are high, blood vessels constrict (shrink).
Average Salary. The average annual salary for physical therapist in the United States is $86,520, which is 103% higher than the average income of Americans. The median pay for PTs is $7,210 per month, $1,663 per week and $41.59 per hour.
Patients receive little hands on treatment and are quickly dispatched to do exercises on their own. A physical therapist at such a clinic can see four to five patients per hour. However, major health insurance is likely accepted and the patrons are asked to pay a copay of about $50. On the other hand, with some research one can find a boutique physical therapy practice with a different feel.