A small study out of India suggests that blowing into a conch shell—a practice rooted in Indian tradition—may provide relief for people suffering from obstructive sleep apnea, or OSA, the most common ...

For thousands of years, yogis across India have raised a spiralled seashell to their lips, taken a deep breath, and released a resonant, echoing note. This is known as conch or shankh blowing, an ...