Now, German researchers have shown the brain’s endocannabinoid system—the same one affected by marijuana’s 9-tetrahydrocannabinol (THC)—may also play a role in producing runner’s high, at least in mice.
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This one has a simple answer: EU privacy laws came into effect a couple years ago mandating that end users be informed if any cookies are stored on their computer, regardless of how trivial or harmless the cookie may be. The site owners aren't trying to accomplish anything aside from avoiding huge fines if they don't comply.
"The urge to destroy is also a creative urge." -- Bakunin [ed. note - I would say: The urge to destroy may sometimes be a creative urge.]