👉 Hyperpinealism is a medical condition that refers to abnormal development of pineal cells (the small, almond-shaped structures in the brain that produce hormones such as melatonin and thyroid-stimulating hormone) within the pituitary gland. This can lead to symptoms including fatigue, mood swings, weight gain, and irregular menstrual cycles. Hyperpinealism is often associated with a condition called primary hyperparathyroidism or parathyroid adenoma, which are benign tumors that grow in the