The reviewer is going over the link between headaches and neck pain. While headaches affect US workers daily and can cause major loss of work due this chronic pain, understanding the possible link between the two can help alleviate those issues in the future. One of the things she mentions that if you have neck or shoulder pain while having the headache, you could have linked issues and may not be a straight forward headache.

Read more: Is your headache also a pain in the neck? – Petoskey News-Review