(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

(HealthDay News) — Hearing loss affects a lot of people, especially seniors. About one-third of people aged 65 to 74 can’t hear as well as they should, and nearly half of people 75 and older have difficulty hearing, the National Institute on Aging says. If you have hearing loss, itContinue Reading