False beliefs are misconceptions or incorrect ideas that individuals hold to be true. These beliefs can arise from misinformation, personal experiences, or cultural influences. They often persist despite evidence to the contrary, making them difficult to change. Examples of false beliefs include the idea that vaccines cause autism or that humans only use 10% of their brains. Such misconceptions can have significant consequences, affecting public health decisions and personal behaviors. Understanding and addressing false beliefs is essential for promoting accurate information and informed decision-making.