Experts weigh in on Q-Tips, headphones, concerts and more.

For most people, your hearing gradually deteriorates with age, and about half of the time it’s caused by genetics that are out of your control.

But years of regularly attending room-rumbling concerts, for instance, can exacerbate hearing loss, and you might find yourself straining to hear movies or struggling to follow group conversations.

“When we’re young, we think nothing can ever threaten us,” said Dr. Howard W. Francis, a professor of otolaryngology at the Duke University School of Medicine. But 55 percent of U.S. adults have disabling hearing loss when they’re 75 and older. And if hearing loss goes untreated, it can raise your risk of developing conditions like dementia and depression.

Fortunately, there are steps you can take to protect your ears. Here’s what experts suggest you do — and what you should avoid.

Other than aging, exposure to loud noises is the most common cause of hearing loss. And the longer you’re exposed, the more likely it is that your hearing will be damaged, said Dr. Dunia Abdul-Aziz, a board-certified otolaryngologist at Harvard Medical School.

Hearing an extremely loud sound, such as an explosion, even once can cause permanent hearing damage. But hearing loss is more often the result of “cumulative exposure that you’ll notice later on in life,” Dr. Abdul-Aziz added.

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