Every time you do sit-ups to flatten your stomach, alpha-2 receptors block fat loss for 6 hours
December 25, 2025, 6:15 AM. You finish your third set of crunches, feeling abdominal muscles burn. Instagram promised 100 daily sit-ups would flatten your stomach. Week six arrives. The scale shows 4 pounds lost, yet your waistline measures identical to November. You blame inconsistency. The real saboteur hides in your biochemistry: alpha-2 adrenergic receptors that … Lire plus









