People with bleeding disorders or that are having a blood thinning medication should also stay clear of acupuncture. You should also prevent acquiring acupuncture in any regions where you've had lymph nodes eliminated, as acupuncture could boost the threat of infection. About thirty states have established schooling expectations for certification https://allhealthmarket.com/product/beauty/acupuncture/acupuncture-electronic-pen/electronic-acupuncture-pen-tens-point-detector-pain-therapy-acupuntura-massage-meridian-energy-pen-muscle-stimulator/