Low to moderate exercise (15-20 miles/week) begun in sedentary women with regular cycles and > one year buildup will not result in problems. Moderate to intense training (30-50 miles/week) building up over two months in young women will more than likely result in significant menstrual abnormalities.
1 Phone Number: The contact phone number for Comcast headquarters is 1-215-286-1700.  Fax Number: All fax communication with the corporate office should be sent to 1-215-981-7790.
Comcast Headquarters Info. The corporate office for Comcast headquarters is located in Philadelphia, Pennsylvania. The corporate office is where many of the key executives in the company report to work, but there are Comcast offices for residential and business support located throughout the United States [+]. Address: The physical and mailing address for Comcast headquarters are the same.