The 6 Best TENS Units of 2024, According to Pain Management ExpertsFor many, TENS units are an effective, drug-free solution for pain relief. Discover the best device for your pain management needs here. Aaron L. Gravely, MD | Jul 10, 2023The 6 Best TENS Units of 2024, According to Pain Management Experts / Published Jul 10, 2023AARON L. GRAVELY, MD