From the unusual to the controversial, the world of human tissue keepsakes is a fascinating and complex one. While some people cherish baby teeth and umbilical cords as sentimental mementos, others are drawn to more unconventional items like kneecap necklaces. But beyond the sentimental value, there are important medical and biological considerations to keep in mind. In this article, we'll explore the risks and controversies surrounding the keeping and consumption of human tissue, from the potential health hazards to the scientific questions that remain unanswered. So, whether you're a fan of celebrity fashion or simply curious about the human body, read on to discover the surprising truths behind these keepsakes.