Johnson Health Tech Trading has announced a recall of nearly 3.8 million BowFlex adjustable dumbbells due to a serious impact hazard. This decision comes after reports of more than 100 injuries caused by weights dislodging during use. Consumers are urged to discontinue use of these products immediately as they pose a risk of injury. The recall includes dumbbells sold by Nautilus Inc. and highlights the need for safety in popular home gym equipment.