Bone decalcification is a medical condition where calcium is removed from the bones, making them weak and brittle. There are numerous synonyms for this condition including osteoporosis, bone loss, bone thinning, and calcium depletion. These terms all describe the same condition and are used interchangeably by medical professionals. Decalcification of bones can occur due to a variety of factors, such as genetic predisposition, aging, nutritional deficiencies, hormonal changes, and other medical conditions. Symptoms of bone decalcification often include bone fractures, back pain, loss of height, and a stooped posture. Treatment options include lifestyle changes, dietary supplements, and medication under the guidance of a medical professional.