Mineral deficiency is not a single disease, but it can increase risk or worsen certain conditions. Iron deficiency may progress to iron-deficiency anemia, reducing exercise tolerance and causing palpitations or dizziness. Iodine deficiency can impair thyroid hormone production and contribute to goiter and developmental consequences. Low magnesium may be associated with neuromuscular symptoms and, in some contexts, rhythm disturbances; zinc deficiency can relate to frequent infections, skin issues, taste/smell changes, and delayed wound healing. Calcium/phosphorus imbalance affects bone health. Importantly, not every association is pure cause-and-effect; deficiencies can co-exist with other illnesses. The right approach is clinical risk management: symptoms, examination, and targeted tests interpreted within personal risk factors.\n\nSource note: NIH ODS mineral fact sheets (deficiency patterns and consequences).