What deficiency is indicated by loss of hair and a diminished sense of taste?

• A. Zinc deficiency
• B. Iron deficiency
• C. Vitamin B12 deficiency
• D. Folate deficiency

Answer: (A)

Loss of hair and a diminished sense of taste are indicative of zinc deficiency. Zinc plays a crucial role in various bodily functions, including hair growth and the maintenance of proper taste function. It is essential for DNA synthesis, immune function, and protein metabolism, which all contribute to the health of hair follicles and the taste buds.

When zinc levels are insufficient, hair may become thin and brittle, leading to hair loss, while the sense of taste can also be affected, causing a condition known as hypogeusia (reduced ability to taste). This is because zinc is a cofactor for several enzymes involved in taste sensation.

In contrast, iron deficiency typically leads to symptoms like fatigue and pallor due to its role in hemoglobin formation. Vitamin B12 deficiency can cause neurological symptoms and anemia, while folate deficiency often results in macrocytic anemia and gastrointestinal issues, rather than hair loss or taste disturbances. Thus, the combination of hair loss and decreased taste sensitivity strongly points to zinc deficiency as the underlying cause.