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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.
Second phase of Nutrition Facts Education Campaign launched in Canada

Second phase of Nutrition Facts Education Campaign launched in Canada

The Honourable Tony Clement, President of the Treasury Board, on behalf of the Honourable Rona Ambrose, Minister of Health, today launched the second phase of the Nutrition Facts Education Campaign (NFEC) to help Canadians make more informed food choices for themselves and their families. [More]
Amgen announces AMG 416 Phase 3 results for treatment of secondary hyperparathyroidism in CKD patients

Amgen announces AMG 416 Phase 3 results for treatment of secondary hyperparathyroidism in CKD patients

Amgen today announced pooled data from two pivotal Phase 3, global, randomized, placebo-controlled trials evaluating AMG 416, a novel calcimimetic, for the treatment of secondary hyperparathyroidism in patients with chronic kidney disease (CKD) receiving hemodialysis. [More]
RegenScientific gets FDA approval for Renu Gel injectable implant

RegenScientific gets FDA approval for Renu Gel injectable implant

RegenScientific announced that it has received FDA-clearance for its Renu Gel injectable implant indicated for vocal fold injection augmentation and today the company commenced shipments of this new product to physicians and hospitals in the United States. [More]
National Jewish Health researcher calls for men to be included in osteoporosis screening guidelines

National Jewish Health researcher calls for men to be included in osteoporosis screening guidelines

Most people associate osteoporosis with women. But the truth is, one in four men over the age of 50 will break a bone as a result of this condition. That's more men than will have prostate cancer, according to the National Osteoporosis Foundation. [More]
Scientists working together to help parents motivate children to increase calcium intake

Scientists working together to help parents motivate children to increase calcium intake

Scientists from 11 land-grant institutions and Brigham Young University are working together to help parents motivate children to boost calcium intake to strengthen bones and prevent bone fractures from occurring later in life. [More]
E-cigarette liquid flavors may alter key cellular functions in lung tissue

E-cigarette liquid flavors may alter key cellular functions in lung tissue

Certain flavorings used in electronic cigarette liquid may alter important cellular functions in lung tissue, according to new research presented at the 2015 American Thoracic Society International Conference. [More]
Calcivis Caries Activity Imaging System meets primary performance endpoint in first clinical study

Calcivis Caries Activity Imaging System meets primary performance endpoint in first clinical study

Calcivis, a medical devices company focused on revolutionising the management of tooth decay and enabling preventive dentistry, today announces headline results from the first clinical study of its Calcivis® Caries Activity Imaging System. [More]
Using mobile app to track intake of vitamin D and calcium

Using mobile app to track intake of vitamin D and calcium

Vitamin D is essential for the maintenance of bone health and may be implicated in other chronic diseases, as well as immunity, but adults in Canada are consistently deficient in dietary vitamin D, by nearly 400 international units per day (IU/d) on average. [More]
ViiV Healthcare initiates Phase III trial to evaluate dolutegravir and rilpivirine in HIV patients

ViiV Healthcare initiates Phase III trial to evaluate dolutegravir and rilpivirine in HIV patients

ViiV Healthcare today announced the start of a Phase III clinical trial programme to evaluate the safety and efficacy of dolutegravir (Tivicay) and rilpivirine (Edurant) as maintenance therapy for adult patients with HIV. [More]
Study finds that gene therapy can clip out genetic material associated with heart failure

Study finds that gene therapy can clip out genetic material associated with heart failure

Gene therapy can clip out genetic material linked to heart failure and replace it with the normal gene in human cardiac cells, according to a study led by researchers from the Cardiovascular Research Center at Icahn School of Medicine at Mount Sinai. [More]
Cardiff scientists make breakthrough asthma discovery

Cardiff scientists make breakthrough asthma discovery

Cardiff University scientists have for the first time identified the potential root cause of asthma and an existing drug that offers a new treatment. [More]
Cardiff scientists identify potential root cause of asthma and highlight new treatment option

Cardiff scientists identify potential root cause of asthma and highlight new treatment option

Cardiff University scientists have for the first time identified the potential root cause of asthma and an existing drug that offers a new treatment. [More]
Researchers describe natural mechanism that helps repair lesions in teeth

Researchers describe natural mechanism that helps repair lesions in teeth

Researchers at Inserm and Paris Descartes University have just taken an important step in research on stem cells and dental repair. They have managed to isolate dental stem cell lines and to describe the natural mechanism by which they repair lesions in the teeth. This fundamental discovery will make it possible to initiate unprecedented therapeutic strategies to mobilise the resident dental stem cells and magnify their natural capacity for repair. [More]
Spanish scientists find apatite bioceramics from shark teeth for implants

Spanish scientists find apatite bioceramics from shark teeth for implants

Researchers from the BIOCAPS Area of 'Biomaterials, tissue engineering and regenerative medicine' have managed to obtain bioceramics from shark teeth, which have already tested applications in the regeneration of bone tissue, particularly in the fields of traumatology and odontology. [More]
New study shows regular consumption of yogurt not linked to health-related quality of life

New study shows regular consumption of yogurt not linked to health-related quality of life

Dietary recommendations support the consumption of dairy products as part of a healthy diet. However, after a Spanish study involving more than 4,000 people analysed the relationship between the regular intake of yogurt and health-related quality of life, it declared that there was no link with the improvement of the physical and mental parameters analysed. [More]
Study sheds light on the physical causes of sudden death

Study sheds light on the physical causes of sudden death

Sudden cardiac death accounts for approximately 10% of natural deaths, most of which are due to ventricular fibrillation. Each year it causes 300,000 deaths in the United States and 20,000 in Spain. [More]
TGen scientists discover the likely cause of rare type of muscle weakness in six children

TGen scientists discover the likely cause of rare type of muscle weakness in six children

Scientists at the Translational Genomics Research Institute (TGen), using state-of-the-art genetic technology, have discovered the likely cause of a child's rare type of severe muscle weakness. [More]
CUMC researchers identify cellular defect that could lead to potential new treatment for diabetes

CUMC researchers identify cellular defect that could lead to potential new treatment for diabetes

A cellular defect that can impair the body's ability to handle high glucose levels and could point the way to a potential new treatment for diabetes has been identified by Columbia University Medical Center researchers. [More]
Eating high-fat dairy products reduces type 2 diabetes risk

Eating high-fat dairy products reduces type 2 diabetes risk

Consumption of high-fat yoghurt and cheese are linked to a reduction in the risk of type 2 diabetes by as much as a fifth, according to new research from Lund University in Sweden. High meat consumption, on the other hand, is linked to a higher risk. [More]
Shire announces availability of Natpara (parathyroid hormone) for injection in U.S.

Shire announces availability of Natpara (parathyroid hormone) for injection in U.S.

Shire plc today announced that Natpara (parathyroid hormone) for injection is now available in the United States. The U.S. Food and Drug Administration approved Natpara as an adjunct to calcium and vitamin D to control hypocalcemia in patients with hypoparathyroidism on January 23, 2015. [More]
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