LESSON 2

• Iron deficiency


  Happens when a body does not get enough iron which aids the red blood cells, and binds with hemoglobin and transports oxygen to your cells
• Symptoms of iron deficiency

  • Anemia
  • Fatigue
  • Weakened immune system
  • Impaired brain function
• Treatment for iron deficiency symptoms

  Take iron supplements such as ferrous sulfate, however eating meat, fish and eggs are also effective sources of iron
• Iodine deficiency


  Lack of sufficient iodine in the body, which can lead to various health problems, particularly affecting the thyroid gland
• Diseases caused by iodine deficiency

  • Hypothyroidism
  • Goiter
  • Decreased fertility rate
  • Mental retardation
• Prevention of iodine deficiency

  Maintain a balanced diet that includes good source of iodine
• Vitamin D deficiency


  Most commonly caused by a lack of exposure to sunlight
• Diseases caused by vitamin D deficiency

  • Rickets in children
  • Osteoporosis in adults
• Prevention and treatment of vitamin D deficiency

  Ensure adequate exposure to sunlight, consume foods rich in vitamin D and consider supplement under medical guidance
• Calcium


  Mineralizes bones and teeth, especially during times of rapid growth, and serves as a signaling molecule
• Symptoms of calcium deficiency

  • Osteoporosis, softer and more fragile bones
• Prevention of calcium deficiency

  Ensuring an adequate intake of calcium through diet, supplements if necessary, and adopting healthy lifestyle habits