Claims, also known as assertions, are statements that express a belief or opinion about a particular topic. They can be factual or subjective and are often used in arguments, discussions, or debates. A claim requires evidence or reasoning to support it, making it essential for effective communication and persuasion. In academic writing, claims are typically backed by research or data to establish credibility. For example, a claim about the benefits of exercise on mental health would need studies or statistics to validate it. Understanding how to formulate and evaluate claims is crucial for critical thinking and informed decision-making.