Biased acupuncture study published in second-tier peer-reviewed journal
Finally, acupuncture is not without risks. There have been some reports of lung and bladder punctures, some broken needles, and some allergic reactions to needles containing substances other than surgical steel. Acupuncture may be harmful to the fetus in early pregnancy since it may stimulate the production of adrenocorticotropic hormone (ACTH) and oxytocin, which affect labor. There is always the possibility of infection from unsterilized needles.* And some patients will suffer simply because they avoided a known effective treatment of modern medicine.