Millions of Americans who need hearing aids will be able to purchase them over the counter as soon as this fall under a new Food and Drug Administration (FDA) rule that will likely also lower costs, the Biden administration has announced. The FDA finalized a rule on Tuesday that would create a new over-the-counter category for hearing aids, which the agency says will largely benefit those who experience mild to moderate hearing impairment. As soon as mid-October, those with hearing loss will be able to purchase aids online or in-store without a prescription or an appointment with a medical professional.…