Calcium News and Research

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Calcium, the most abundant mineral in the body, is found in some foods, added to others, available as a dietary supplement, and present in some medicines (such as antacids). Calcium is required for muscle contraction, blood vessel expansion and contraction, secretion of hormones and enzymes, and transmitting impulses throughout the nervous system. The body strives to maintain constant concentrations of calcium in blood, muscle, and intercellular fluids, though less than <1% of total body calcium is needed to support these functions.

The remaining 99% of the body's calcium supply is stored in the bones and teeth where it supports their structure. Bone itself undergoes continuous remodeling, with constant resorption and deposition of calcium into new bone. The balance between bone resorption and deposition changes with age. Bone formation exceeds resorption in growing children, whereas in early and middle adulthood both processes are relatively equal. In aging adults, particularly among postmenopausal women, bone breakdown exceeds formation, resulting in bone loss that increases the risk of osteoporosis over time.
Archaeologist discovers 800-year-old genomes from bacterial infection in Byzantine skeleton

Archaeologist discovers 800-year-old genomes from bacterial infection in Byzantine skeleton

Cell powerhouses may be good therapeutic target for brain injury

Cell powerhouses may be good therapeutic target for brain injury

Researchers discover new natural tooth repair method using Alzheimer's drug

Researchers discover new natural tooth repair method using Alzheimer's drug

Study shows new role of zinc in optic nerve injury

Study shows new role of zinc in optic nerve injury

"More aggressive" nutrition improves growth and development of tiny premature babies

"More aggressive" nutrition improves growth and development of tiny premature babies

New study reveals IRBIT's role in facilitating apoptosis

New study reveals IRBIT's role in facilitating apoptosis

Scientists develop better material to regenerate bone tissue cells in shorter time

Scientists develop better material to regenerate bone tissue cells in shorter time

Calcium channel blockers may be effective drugs against cancer metastasis

Calcium channel blockers may be effective drugs against cancer metastasis

Common bacterium that causes gum infections may trigger rheumatoid arthritis

Common bacterium that causes gum infections may trigger rheumatoid arthritis

Lactate component responsible for anti-tumor effects of plasma medicine, research shows

Lactate component responsible for anti-tumor effects of plasma medicine, research shows

Novel plasma medicine with anti-tumor effect discovered

Novel plasma medicine with anti-tumor effect discovered

Brazilian researchers propose new way for treating thalassemia major

Brazilian researchers propose new way for treating thalassemia major

Applying quantitative microscopy to live cells

Applying quantitative microscopy to live cells

Tiny, glowing crystals could be powerful new tool to detect and clean contaminated water sources

Tiny, glowing crystals could be powerful new tool to detect and clean contaminated water sources

Study shows cost-effective email messages can help improve calcium intake in Canadians

Study shows cost-effective email messages can help improve calcium intake in Canadians

Neuroscientists identify new regulator of immune system

Neuroscientists identify new regulator of immune system

Research provides insights into how molecular adaptations can lead to differential circadian timing

Research provides insights into how molecular adaptations can lead to differential circadian timing

Vitamin D supplements do not prevent disease in the majority, says study

Vitamin D supplements do not prevent disease in the majority, says study

Brident Dental provides tips to help keep mouth and gums healthy during festive season

Brident Dental provides tips to help keep mouth and gums healthy during festive season

FASEB announces winners of 2016 BioArt competition

FASEB announces winners of 2016 BioArt competition