What is the recommended daily intake of water for adults?

The recommended daily intake of water for adults is about 2.7 liters for women and 3.7 liters for men. This recommendation takes into consideration the total water intake needed for hydration, which includes all beverages and food sources.

The specified amounts reflect the average requirements for maintaining good hydration in a wide range of people across various lifestyles, taking into account factors such as physical activity and climate. Furthermore, these figures are set by the National Academies of Sciences, Engineering, and Medicine and are designed to support normal bodily functions, including temperature regulation, joint lubrication, and waste removal.

The distinction between men and women is important as men typically have a higher total body water percentage than women, necessitating a greater overall intake to maintain hydration and physiological balance. Therefore, option B provides a well-supported guideline appropriate for general health recommendations.