This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

A kidney stone is exactly that -- a hard mass of minerals and salts that forms in the kidneys. Certain foods and drinks contain chemicals that can lead to these sometimes painful crystals. The stones ...

Your body uses hydroxyapatite to build and strengthen bones and teeth. Hydroxyapatite is a type of calcium phosphate. Calcification (calcinosis) occurs when abnormal amounts of calcium phosphate are ...

Microscopic spheres of calcium phosphate have been linked to the development of age-related macular degeneration (AMD), a major cause of blindness. AMD affects 1 in 5 people over 75, causing their ...

This structure is mainly provided by a form of calcium phosphate called hydroxyapatite crystals, which are found in collagen. Calcium ions on bone surfaces interact with those present in the bodily ...

Hydroxyapatite (HAP) toothpaste is a dental product that contains manufactured calcium phosphate. Calcium and phosphate are minerals that form 95% of tooth enamel and 70% of bones. NASA developed HAP ...