(HealthDay News) — Schools are chock-full of loud and potentially destructive sounds, including crowded hallways, buses, band practices and sporting events. Over time, repeated exposure to these noisy environments can harm your child’s hearing, the National Institute on Deafness and Other Communication Disorders says. To help protect your child’s hearing,Continue Reading

(HealthDay News) — The thyroid is an endocrine gland that makes hormones and helps regulate bodily activities, such as how fast you burn calories and how fast your heart beats. Doctors may suggest a thyroid test if they suspect the gland is overactive (hyperthyroidism) or underactive (hypothyroidism). The U.S. NationalContinue Reading

(HealthDay News) — The human voice is produced by two bands of muscle tissue called vocal folds. When you talk, the folds come together as the air from your lungs travels through them. Air blows through the folds and causes them to vibrate, making sound waves that travel through yourContinue Reading