Some notice fewer tension headaches when frown muscles are relaxed by Botox, adding a functional benefit for them.

https://www.google.com/maps/d/u/0/embed?mid=1GkfgTUzc877hnJC2UrmkrBv0m_exT4Q&ehbc=2E312F&noprof=1

Some notice fewer tension headaches when frown muscles are relaxed by Botox, adding a functional benefit for them.