The most common type of headache is tension headache. It is likely caused by tight muscles in your shoulders, neck, scalp, and jaw. A tension headache: 1  May be related to stress, depression, anxiety, a head injury, or holding your head and neck in an abnormal position.  Tends to be on both sides of your head. It often starts at the back of the head and spreads forward.
The BLS reports that the upper 10 percent of marketing managers earned more than $187,199, as did managers in advertising and promotions. Market research analysts in the top ten percent earned more than $116,740.
Marketing Assistant Salary. The average pay for a Marketing Assistant is C$36,153 per year. Most people with this job move on to other positions after 10 years in this field. A skill in Web Design is associated with high pay for this job. C$29,026 - C$45,410.