I have been experiencing poor circulation in my arms and feet (cold feet&numb tingling arms). Could it be hypertension?

Unlikely. The party line is hypertension (unless sudden or acute) is an insidious ; chronic medical condition for which no specific symptoms are usually noted by a person. Check out this link of the american heart association: http://www.Heart.Org/heartorg/conditions/highbloodpressure/symptomsdiagnosismonitoringofhighbloodpressure/what-are-the-symptoms-of-high-blood-pressure_ucm_301871_article.Jsp.