Osteoporosis is a serious problem. The National Osteoporosis Foundation (NOF) in the USA reports that currently osteoporosis is a major public health threat for an estimated 44 million Americans or 55% of people 50 years of age and older. Current trends estimate Osteoporosis to only increase over time. Risk factors for osteoporosis include: Being female, aging, family/personal history, having a small and thin body frame, being of a certain race/ethnicity, having low sex hormones, poor diet, low activity levels, smoking, alcohol abuse and certain diseases/medications.