been having flush and hot flashes had a total hysteromy back in may 1999, now 60 years old, been goging to gym doing 5-8 miles of exercise lLATELY IAM 5'4" 110 lbs. had a hearat cath about 3 years ago, turn out ok, getting hot flash for 3-4 min. followed by a cold effect afterwards, can you help?