Calcium is the most plentiful mineral in the human body, with a staggering 99% of it stored in the skeleton, playing a crucial role in maintaining healthy bones and teeth. But the significance of calcium extends far beyond just bone health. It’s also vital for the normal functioning of muscles, blood vessels, and nerves. Tiny amounts of calcium are dissolved in the fluid inside and outside our cells, indicating its widespread importance in the body’s functions.
One of the lesser-known roles of calcium is its involvement in the formation of arterial plaque. Plaque forms when cholesterol lodges in the artery walls. The body responds by sending white blood cells to trap the cholesterol, which then turns into foamy cells that exacerbate fat accumulation and inflammation. This process can lead to muscle cells in the artery wall multiplying and forming a cap over the area, which is a key factor in vascular diseases.
Hypercalcemia, an abnormally high concentration of calcium in the blood, highlights the delicate balance required for optimal health. This condition can affect various bodily functions, including nerve signaling, muscle contraction, and even heart and kidney functions. It underscores the importance of maintaining proper calcium levels in the body for overall health.
Despite its crucial role in our body, misconceptions about calcium intake and its sources persist. For instance, while calcium is essential for bone health, some experts suggest that more attention should be paid to exercise and vitamin D for maintaining bone strength. This is particularly important as we age, with guidelines recommending a daily intake of 1200 milligrams of calcium starting from the age of 51.
Calcium is not just a bone-builder; it’s a multi-faceted mineral essential for blood clotting, muscle contractions, and regulating normal heart rhythms and nerve functions. About 1% of the body’s calcium is found in blood, muscle, and other tissues, highlighting its widespread utility.
Understanding the causes of conditions like kidney stones, which can be linked to calcium imbalances, is crucial. Factors like hyperparathyroidism, renal tubular acidosis, and urinary tract infections can lead to the formation of calcium phosphate stones, showcasing the complex interactions of calcium in our body.
Vitamin D plays a significant role in calcium balance. It aids in calcium absorption, but an excessive intake can lead to harmful effects. Overdosing on vitamin D can cause high blood calcium levels, leading to adverse health effects like grogginess, constipation, and in extreme cases, even death. However, such toxicity typically results from significant overdosing.
For further detailed information, you can visit these resources:
Harvard Health Publications,
Harvard Health,
The Nutrition Source – Harvard T.H. Chan School of Public Health,
Children’s Hospital of Philadelphia,
Harvard Health,
University of Rochester Medical Center,
Harvard Health,
Harvard Health.