Case 1: Female, 48 ysd Hot flashes for 3 months. Her period was stopped 6 months ago and hot flashes started 3 months ago. It is really frequent but no sweat. she feels like holding a fire. Before menopause, she had sleep problem for many years and took sleeping pills to help. At that time, she was not able to fall asleep with the sleeping pills and woke up very often. Accompanied with this condition, she had fatigue, neck & shoulder stiffness. She tried black cohosh for hot