Your peak bone mass occurs about age 28 to 32. It’s important because if you have low peak bone mass so the maximum that your density of your bones get is lower than normal then you have to sustain that from age 33 until 80, 90 however old you are. So if it starts out low at its highest point, then you will be at risk when you get older. Mostly things that affect that low peak bone mass are severe deficiencies so some type of cancer, anorexia which is a severe nutrition deficiency, things that have a huge impact on your nutrition are going to impact that low peak bone mass.