A.I. Explanation:

Option 1: "It increases physical strength"

Explanation: The text does not mention physical strength as a benefit of meditation. Instead, it focuses on mental health benefits such as reducing stress and enhancing mindfulness. Therefore, this option is not supported by the text.

Option 2: "It enhances mindfulness"

Explanation: The text explicitly states that one of the key benefits of meditation is its ability to increase mindfulness. This is directly supported by the text, which explains that mindfulness helps individuals become more aware of the present moment and reduces negative thought patterns.

Option 3: "It improves cardiovascular health"

Explanation: The text does not mention cardiovascular health as a benefit of meditation. The focus is on mental health improvements, such as reducing stress and enhancing mindfulness, making this option unsupported by the text.

Option 4: "It boosts immune system function"

Explanation: The text does not discuss immune system function in relation to meditation. It emphasizes mental health benefits, such as reducing anxiety and improving sleep quality, which means this option is not relevant to the content of the text.