In the Iraq war it was found that some helmet designs increased the severity of blast injuries suffered by soldiers. They'd have been better off wearing nothing.
How is that remotely relevant to bicycle helmets ?
Unless you are really unlucky and get hit by a Jihad Jeep whilst cycling through the Cotwolds
![Roll Eyes :rolleyes: :rolleyes:](/styles/default/xenforo/vbSmilies/Normal/rolleyes.gif)