Calcium Deficiency Occur In Adult Humans

                             #Inadequate dietary intake#

Calcium is one of the most essential minerals for human health, playing a key role in maintaining strong bones and teeth, muscle function, nerve transmission, and heart rhythm. In adults, calcium is important for overall bodily functions, but many individuals experience calcium deficiency, which can have long-term health consequences. Calcium deficiency, or hypocalcemia, can be caused by a number of factors, including inadequate dietary intake, impaired absorption, hormonal imbalances, and certain health conditions. Understanding why calcium deficiency occurs in adults involves examining several interrelated causes and risk factors.One of the most common causes of calcium deficiency in adults is a lack of adequate dietary intake. The Recommended Dietary Allowance (RDA) for calcium varies by age and sex, with adults generally requiring 1,000 to 1,200 milligrams of calcium per day. However, many adults fail to meet these requirements due to poor dietary choices or unbalanced nutrition. Many people, especially those who avoid dairy due to lactose intolerance, vegan diets or allergies, may not be consuming enough calcium-rich foods. The growing popularity of plant-based diets and a decrease in dairy consumption have contributed to a rise in calcium deficiency in adults. In addition, processed foods and diets rich in salt, caffeine and protein can increase calcium excretion in the urine, further reducing calcium levels.

      #Decreased calcium absorption#

Even if a person consumes enough calcium, absorption of the mineral may be impaired, leading to a deficiency. Calcium absorption occurs primarily in the small intestine, and many factors can interfere with this process. For example, vitamin D is essential for effective calcium absorption, as it helps the intestines absorb calcium from food. Vitamin D deficiency, which is often caused by insufficient sunshine or low dietary intake, can significantly impair calcium absorption, even if dietary intake is adequate.Certain gastrointestinal disorders, such as celiac disease, Crohn's disease and irritable bowel syndrome (IBS), can damage the lining of the intestine, reducing its ability to absorb calcium. Malabsorption syndromes, where the body struggles to properly absorb nutrients, can also lead to inadequate calcium levels.The regulation of calcium levels in the body is controlled by several hormones, including parathyroid hormone (PTH), calcitonin and vitamin D. Imbalances in these hormones can lead to low or high calcium levels in the blood.The parathyroid glands produce parathyroid hormone, which helps control calcium levels in the blood byAnother hormonal factor that affects calcium levels is menopause in women. As a result, postmenopausal women have an increased risk of calcium deficiency and bone loss.

                                   #Age-Related Factors#

As a person ages, the risk of calcium deficiency increases due to several factors. First, aging reduces the body's ability to absorb calcium efficiently. Additionally, older adults may have lower bone density, which can further reduce calcium levels. This is especially true for women after menopause, as a decrease in estrogen leads to faster bone resorption and greater calcium loss.Older people may have a decreased appetite or difficulty chewing, which can make it difficult to consume calcium-rich foods. In addition, certain medications commonly prescribed to older people, such as corticosteroids, anticonvulsants, and diuretics, can interfere with calcium metabolism and contribute to calcium deficiency.Certain health conditions can also interfere with calcium balance in the body. Chronic kidney disease (CKD) is one of the most significant conditions that can cause calcium deficiency. The kidneys are responsible for regulating calcium levels in the blood, and impaired kidney function can cause a calcium imbalance. In CKD, the kidneys may be less able to activate vitamin D, which is needed for calcium absorption.







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