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Four Days
in Michigan

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buy the acclaimed novel by Philip Zazove
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(all sale proceeds go to LTZF)

Did You Know?

Hearing loss affects 12,000 newborns every year, most of them born to hearing parents.

Evaluated on a purely pecuniary basis by the Brookings Institution's Michael Greenstone and Adam Looney, the benefits of a four-year college degree are equivalent, on average, to an investment that returns 15.2 percent per year. The payoff on a lifetime-earnings basis is even more impressive. The average college grad earns about $570,000 more than the average high school (only) grad. That implies a more than 5-to-1 return from the average $102,000 cost of the college degree.

Piccolo players commonly develop a high-frequency hearing loss in one ear--but whether it's the left or right ear depends on whether the musician is left- or right-handed.

An estimated 30,000,000 people in the United States have a hearing loss. Approximately 5% of them have a severe loss and another 3% a profound one.

Hearing aids do not make voices or sounds clearer, just louder.

A person with normal hearing can distinguish 30 notes between two keys on the piano.

Most people with a hearing loss will not admit it. This is true not only for senior citizens, but also for young adults.

Hearing loss is the second most common disability in the United States. The most common is orthopedic disability, which includes a wide range of conditions.

Sign language is a full-fledged language--as complete as any spoken one. It has nouns, verbs, adjectives, adverbs, exclamations, case endings, grammar, local accents, etc. It even has puns.

Loss of hearing with age happens earlier in men than in women, and begins with the higher frequencies.

American Sign Language is as different from all other sign languages, e.g. Italian Sign Language, as spoken English is from spoken Italian.

Occupational hearing loss (due to work-related noise) costs society more than a billion dollars a year.

Those who see and hear normally say they'd sooner be deaf than blind. However, those who are both deaf and blind say that deafness is much worse--it dissociates them from people, whereas blindness only dissociates them from things.

Most states have a residential school for Deaf students.

There are twice as many people with hearing loss as with visual loss, yet twice as much money is spent on visual research as on hearing research.

Normal hearing range is 20 - 20,000 cycles per second, a ratio difference of 1000 times.

American Sign Language is the third most common language in the United States (after English and Spanish).

Studies show that people with hearing loss, regardless of its degree, have much lower employment and income levels, in part because of less education.

The human ear can endure about two continuous hours of a power drill but only thirty minutes of a typical video arcade before sustaining some permanent hearing loss.

Eighty-year-old Sudanese villagers hear better than thirty-year-old Americans.

People with diabetes are twice as likely to have hearing loss as those without the disease, and higher frequency sounds are most likely to be affected.