This brings the situation of Hypervitaminosis D, which is presented with such health implications as abdominal pain, cardiac arrhythmias, hypercalcemia, and hypovolemia from renal sodium and water losses, neuropsychiatric disturbances, as well as suppressed parathyroid hormone level (Charen & Harbord, 2020). The gene discussed is PTH; the disease is cardiac arrhythmia.