Introduction Vitamin B12 deficiency occurs when the body does not have enough vitamin B12, an essential nutrient needed for healthy nerve function, red blood cell production, and DNA synthesis. This deficiency can lead to a range of symptoms, from fatigue…
Introduction Iron deficiency is the most common nutritional deficiency worldwide and occurs when the body does not have enough iron to produce healthy red blood cells. Iron is essential for carrying oxygen throughout the body, and a deficiency can lead…
Introduction Anemia is a condition in which the body does not have enough healthy red blood cells to carry adequate oxygen to the tissues. This can lead to fatigue, weakness, and a range of other symptoms. Anemia is common and…
Introduction Low blood pressure, also known as hypotension, occurs when the force of blood against the walls of the arteries is lower than normal. While low blood pressure is often harmless and may even be a sign of good health,…
Introduction Premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) are conditions that affect women in the days or weeks leading up to their menstrual period. While PMS is common and usually mild, PMDD is a more severe form that can…
Introduction The thyroid gland is a small, butterfly-shaped organ located at the front of the neck. It produces hormones—mainly thyroxine (T4) and triiodothyronine (T3)—that regulate the body’s metabolism, energy levels, temperature, and many other vital functions. Proper thyroid function is…
Introduction Hyperthyroidism is a condition in which the thyroid gland produces too much thyroid hormone. These hormones control the body’s metabolism, so excess levels can speed up many bodily functions. Hyperthyroidism can affect people of all ages but is more…
Introduction Hypothyroidism is a condition in which the thyroid gland does not produce enough thyroid hormone. These hormones are essential for regulating metabolism, energy levels, and many bodily functions. Hypothyroidism is common, especially in women and older adults, and can…
Introduction Congenital lack of thyroid hormone, also known as congenital hypothyroidism, is a condition present at birth in which the thyroid gland does not produce enough thyroid hormone. These hormones are essential for normal growth, brain development, and metabolism. Early…
Introduction Thyroiditis refers to inflammation of the thyroid gland, which can lead to either overproduction or underproduction of thyroid hormones. The condition can be temporary or chronic and may cause a range of symptoms depending on the type and stage…
