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.
Researchers have doubled the potency of a protein that drives blood to clot

Researchers have doubled the potency of a protein that drives blood to clot

Alendronate combined with calcium and vitamin D almost completely prevented further bone loss in the first 4 months afte liver transplant

Alendronate combined with calcium and vitamin D almost completely prevented further bone loss in the first 4 months afte liver transplant

Calcium may prevent polyps, but effect on colorectal cancer unclear

Calcium may prevent polyps, but effect on colorectal cancer unclear

Chemical sealant - poloxamer 188 can repair damage to cardiac muscle cell membrane

Chemical sealant - poloxamer 188 can repair damage to cardiac muscle cell membrane

Study shows mutation in NOTCH1 gene causes aortic valve disease

Study shows mutation in NOTCH1 gene causes aortic valve disease

EU upholds food supplement ban - rejects appeal by health groups

EU upholds food supplement ban - rejects appeal by health groups

New understanding of degeneration of brain cells in patients with Alzheimer's, Huntington's, and Parkinson's diseases

New understanding of degeneration of brain cells in patients with Alzheimer's, Huntington's, and Parkinson's diseases

Carbon nanotubes may change the way doctors treat broken bones

Carbon nanotubes may change the way doctors treat broken bones

Point-of-selection nutrition information cards can spur students to pick the right foods

Point-of-selection nutrition information cards can spur students to pick the right foods

Bone Medical completes first trial of oral parathyroid hormone product for treatment of osteoporosis

Bone Medical completes first trial of oral parathyroid hormone product for treatment of osteoporosis

Major study says for diabetics with high blood pressure diuretics are the best option

Major study says for diabetics with high blood pressure diuretics are the best option

Diuretics work better than newer and more costly medicines for diabetics with high blood pressure

Diuretics work better than newer and more costly medicines for diabetics with high blood pressure

Vascular disease most common cause of male erectile dysfunction

Vascular disease most common cause of male erectile dysfunction

Chase those monthly blues away with a diet rich in calcium and vitamin D

Chase those monthly blues away with a diet rich in calcium and vitamin D

A diet rich in calcium and vitamin D may lower the risk of developing premenstrual syndrome

A diet rich in calcium and vitamin D may lower the risk of developing premenstrual syndrome

Density of breast tissue can directly influence tumour development

Density of breast tissue can directly influence tumour development

New Calcitonin drug delivery research holds promise for osteoporosis sufferers

New Calcitonin drug delivery research holds promise for osteoporosis sufferers

Patients with metabolic syndrome and moderate calcium levels in the coronary arteries have greater chance of blocked arteries

Patients with metabolic syndrome and moderate calcium levels in the coronary arteries have greater chance of blocked arteries

North American women receiving inadequate vitamin D

North American women receiving inadequate vitamin D

A drug that controls blood pressure and reduces heart risk also appears to protect against diabetes

A drug that controls blood pressure and reduces heart risk also appears to protect against diabetes

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