Regional variation is reported anecdotally but not documented. Some people have anecdotally noted that their continued use of vinpocetine reduces immune function. Anecdotally, it has been reported to produce effects similar to nootropics. Anecdotally, ototoxicity has also been reported if injected too quickly. This has been anecdotally reported to progress to lethal cases of acute colitis. All these suggest anecdotally that thin-slicing occurs regularly. Humans have been anecdotally reported to have been killed in the same way. Anecdotally, MDMA was said to greatly accelerate therapy. Chronic idiopathic hives has been anecdotally linked to stress since the 1940s. Social anointing has been observed anecdotally in a captive colony for almost ten years. Large doses have been reported anecdotally to last up to 36 hours. Anecdotally, institutions and companies using Vblock have been involved in published testimonials. Anecdotally, effective pore space has been equated to displaceable hydrocarbon pore volume. Anecdotally, enforcement of speaking English was severe. Anecdotally, the circles had seen a huge reduction in reoffending.