What is one theory as to why Otzis was tattooed?

One theory regarding Ötzi the Iceman's tattoos is that they served a therapeutic purpose. Some researchers suggest that the tattoos, which are primarily located on areas of the body associated with joints and pain, may have been a form of ancient acupuncture or a way to alleviate pain from various ailments. This theory posits that the markings were not merely decorative but had a functional role in Ötzi's health and well-being.