Doctors in the United Kingdom say modern titanium clubs create a "sonic boom" when they connect with the ball, which is so loud it could shatter golfers' eardrums.
Some believe the risk of going deaf is so great they have advised golfers to wear earplugs to tee off. Experts have identified at least one case of a golfer they believe has hearing damage as a result of using a titanium driver.
....When tested, the titanium drivers made a much louder sound than the steel-headed clubs.
The doctors' report, published in the latest edition of the British Medical Journal, concluded "caution should be exercised by golfers who play regularly with thin-faced titanium drivers".