Articles tagged with Calcium
A study published in the Journal of the American Medical Association found that underlying vitamin D deficiency in post-menopausal women is associated with an increased risk of hip fracture. The researchers discovered that 50% of women with osteoporosis who suffered a hip fracture had previously undetected vitamin D deficiency.
A new screening tool combining CT scans and electrocardiograms has promise to be a highly effective and relatively inexpensive way to detect blood vessel disease. The test measures calcium in the heart's arteries, identifying signs of atherosclerosis that can block arteries and cause heart attacks and strokes.
A multi-centered study led by Dartmouth Medical School found that supplementation with calcium can reduce the recurrence rate of large bowel adenomas in people with a history of these particular polyps. The findings suggest promising measures that are fairly simple and inexpensive to help prevent colorectal cancer.
A new study found that calcium supplements moderately reduced the risk of recurring polyp growth in the colon and appeared to lower the risk of colon cancer. The study involved 832 patients who received 1200 milligrams of calcium carbonate daily for four years, with a 24% decrease in polyp numbers and a 19% decrease in recurrence risk.
A large retrospective study found that poor dietary intake of animal protein in postmenopausal women is associated with an increased risk of hip fracture. In contrast, calcium and vitamin D intake had no significant association.
A cross-sectional analysis of 215 women aged 18-31 found correlations between weight, height, lean mass, and dietary factors like calcium, protein, and phosphorus with various bone mineral measures. Postmenarcheal age was positively correlated with total-body BMD and BMC, while radius BMD was linked to protein and phosphorus intakes.
Researchers found that calcium influx into mitochondria triggers neuron death, while changes in cytoplasmic calcium have a more subtle effect on cell health. The study suggests designing drugs to target mitochondria could prevent or intervene in glutamate-induced neuronal damage.
A new spray-on treatment has reduced 'albedo breakdown', a condition causing unsightly puffiness in oranges, by up to 20-25% in Australian orange crops. The treatment uses mineral calcium to address the issue, which can significantly impact fruit value and quality.
A longitudinal study found that pregnant women have higher intestinal calcium absorption rates compared to pre-pregnancy levels, indicating increased calcium demand. Postpartum, maternal calcium absorption returns to normal, while breast milk calcium is provided through renal conservation and bone loss.
A study found that individuals taking nisoldipine had a higher rate of fatal and non-fatal heart attacks compared to those taking enalapril, sparking concerns about the safety of calcium antagonists for certain populations. The American Heart Association advises against panic and emphasizes the need for consultation with physicians.
University of Maryland scientists have discovered a way to transform sodium channels into calcium channels, which could lead to the development of new treatments for heart failure and various neurological conditions. This breakthrough, reported in the journal Science, opens up novel targets for drug discovery and molecular medicine.
A review of 20 published trials found that combining estrogen replacement with at least 1200 mg calcium daily preserves better bone health than using either treatment alone. This review suggests a combination therapy approach to managing osteoporosis in postmenopausal women.
Researchers found that supplements significantly reduced bone loss and increased bone density in older men, while also reducing the risk of fractures. The study's findings suggest that calcium and vitamin D supplementation can be an effective lifelong strategy for maintaining bone health.
A study by Purdue University researchers found that adolescent girls aged 12-15 require 1,300 milligrams of calcium per day to achieve maximum bone growth. The new recommendation aims to address the fact that nine out of ten teenage girls do not meet the current daily intake of four cups of dairy products.
Researchers at Purdue University have been working on phytoremediation, a process that uses plants to collect heavy metals and radioactive waste from polluted sites. By understanding how plants take up and store toxic metals, they aim to develop metal-mining plants that can clean up contaminated soil and water.
Researchers visualize calcium stored deep within intact muscle and brain cells, discovering tiny, discrete compartments that can be opened or closed by drugs or natural chemicals. This finding could lead to a better understanding of physiological mechanisms underlying high blood pressure, heart failure, stroke, and aging.
A recent study by Johns Hopkins Medicine has identified a genetic mutation that may be associated with an increased risk of osteoporosis. The mutation, found in the calcium-sensing receptor gene, was discovered in people with primary hyperparathyroidism and showed no link to this condition, but may play a role in other bone diseases.