Pseudoscientific refers to beliefs or practices that claim to be scientific but lack the rigorous methods and evidence that characterize true science. These ideas often rely on anecdotal evidence, personal testimonials, or untestable claims, making them difficult to validate through scientific methods. Examples include astrology, homeopathy, and crystal healing. While pseudoscientific claims may seem convincing, they do not adhere to the scientific method, which involves hypothesis testing, peer review, and reproducibility. This lack of scientific foundation can lead to misinformation and potentially harmful practices, as seen in some alternative medicine approaches that discourage conventional treatments.