For starters, it takes a lot less space to write 'head injury' than list the accompanying crushing injuries to the torso from another nitwit driving a SUV who was talking on the phone and looking at the GPS wholefailing to yield the right of way...
Why is it the NTSB doesn't reccommend helmets for air passengers?
Oh, that's right, they're trying to prevent the airplane crash, not 'protect' you from bonking your head when it happens.
How many motorcycle accidents did they study before they came to this tired conclusion? (I believe the answer is "six").
Did anyone ever stop to consider that most of the people who spend upwards of $7-8000 on an motorcycle (often $15-25,000.00) just might carry insurance in case they are injured?
(Note: the bottom line on Obamacare is that when the 'gubmint' pays for it, you lose rights to the bean counters in the gubmint.)
One more thing, junk science did not originate with the global warming issue. I have had the opportunity to dig through many of the older studies which are likely referenced by the newer studies and have found them to be full of holes, miscalculations, and even conclusions not supported by data.
Last year saw a decline in Motorcycle fatalities for the number of miles travelled, so I guess the nanny-staters had to jump in before the trend showed.
FMVSS (federal motor vehicle safety standard) 218 only rates helmets to a a speed of 13mph. There are no neck standards.