Osteoporosis Symptoms, Causes and Prevention Osteoporosis is a silent but progressive bone disease that can be defined as a decrease in bone mass and thickness. The decrease in bone mass and density leads to a bigger risk or threat of fracture. When someone suffers from osteoporosis then his/her bone mineral density (BMD) reduces, the bone micro structure get worse, and the quantity and variety of proteins in bone are distorted. The World Health Organization (WHO) defines the osteoporosis as a bone mineral density of 2.5 standard variations. The term "established osteoporosis" comprises the existence of a feebleness fracture. The bone disease may be divided as primary type 1, primary type 2 and secondary. Osteoporosis is the most common bone disease in women after menopause is called as the primary type 1 osteoporosis. Primary type 2 osteoporosis happens after age 75 and can be seen in both females and males but more in women. Secondary osteoporosis may arise at any age and affect men and women equally. To deal with bone disease you should take help of the natural supplements for bone health. Below are some graphics that gives complete overview of osteoporosis.