Getting to Know the Basic Concepts of Human Nutrition: The Example of Potassium

Potassium deficiencies are associated with breathlessness, fatigue, insomnia and low bloodsugar. Potassium is essential for healthy heart muscles. Nuts and unrefined grains are goodsources of potassium. Calcium is a natural sedative. Deficiencies can cause fatigue,nervousness and tension. Dairy products, eggs, almonds, and soyabeans are rich sources ofcalcium. Magnesium is known as nature's tranquilliser and is associated with the prevention ofheart attack. Deficiencies may lead to excitability, irritability, apprehension and emotionaldisorders. Magnesium is also necessary for absorption of calcium and potassium and is foundinmany fruits, vegetables, seeds, dates and prunes.