A pilot study has evaluated the therapeutic effect of acupuncture on peripheral neuropathy (PN) as measured by changes in nerve conduction and assessment of subjective symptoms. One hundred and ninety-two consecutive patients with PN as diagnosed by nerve conduction studies (NCS) were evaluated over a period of 1 year. Of 47 patients who met the criteria for PN of undefined aetiology, 21 received traditional Chinese acupuncture, while 26 received medical care but no specific treatment for PN. 76% of the acupuncture group improved symptomatically and objectively as measured by NCS, while only 15% of the control group did so. 14% of the acupuncture group showed no change and 10% showed an aggravation, whereas in the control group 27% showed no change and 58% an aggravation. Subjective improvement was fully correlated with improvement in NCS in both groups.

(Acupuncture treatment improves nerve conduction in peripheral neuropathy. Eur J Neural. 2007Mar:14(3):276-81)

Performance of tai chi leads to a decrease in activity of the sympathetic nervous system, to levels that are not achieved by performing comparable physical activity alone. Participants had completed the above 25-week randomised trial of Tai Chi Chih (TCC), vs health education (HE). TCC practitioners performed TCC for 20 minutes, while HE participants passively rested for the same time. Investigators measured various cardiovascular parameters before and after the task. A subsample of participants returned for a second evaluation and performed videotape-guided stretching for 20 minutes to evaluate the cardiovascular effects of slow-moving physical activity. TCC performance was found to significantly decrease sympathetic nervous system activity (measured from electrocardiogram readings). In contrast, there was no change in sympathetic activity following passive rest or slow-moving physical activity.

(Tai Chi Chih acutely decreases sympathetic nervous system activity in older adults.   J Gerontoi A Bioi Sci Med Sci. 2006 Nov;61(11):1177-80)