Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Health officials have warned that low calcium intake can trigger primary hyperparathyroidism in human beings. Various medical reports have shown that more than 800 people are affected during with this health complication during their lifetime. Basically, official reports have recorded that primary hyperparathyroidism targets mostly the post-menopausal women who were found consuming very low level of calcium in their diet. More importantly, other medical reports have underlined that if this health complication is left untreated, further problems like bone fractures and the introduction of kidney stones can arise. Therefore, medical experts have advised people to increase their intake of calcium in order to reduce the risks of being exposed to primary hyperparathyroidism. In fact, an adult is expected to consume around 700 mg of calcium every day. The maindietary sources of calcium can be milk, diary foods, sardines, pilchards and so on. However, health specialists have highlighted that people should avoid taking excessive amount of calcium since this could urge stomach pains and diarrhoea...