👉 Rachitogenic is a scientific term that refers to a substance that causes the growth of cancer cells. It's also known as "chemo-" because it's an acronym for chemotherapy, radiation therapy, and immunotherapy combined. In layman's terms, a rachitogenic substance can be a drug or chemical that affects or damages the cell cycle, which is the process by which cells divide and grow. This leads to cancer growth. Rachitogenic substances are often used in