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The recommended daily amount of drinking water for humans varies. [1] It depends on activity, age, health, and environment.In the United States, the Adequate Intake for total water, based on median intakes, is 4.0 litres (141 imp fl oz; 135 US fl oz) per day for males older than 18, and 3.0 litres (106 imp fl oz; 101 US fl oz) per day for females over 18; it assumes about 80% from drink and 20 ...
The recommended daily amount of drinking water for humans varies. [1] It depends on activity, age, health, and environment.In the United States, the Adequate Intake for total water, based on median intakes, is 4.0 litres (141 imp fl oz; 135 US fl oz) per day for males older than 18, and 3.0 litres (106 imp fl oz; 101 US fl oz) per day for females over 18; it assumes about 80% from drink and 20 ...
Water also enters the body with foods, especially those rich in water, such as plants, raw meat, and fish. About 10% of human adult water intake comes as a by-product of metabolism. [20] The amount of this water that is retained in animals is affected by several factors. Water amounts vary with the age of the animal.
The recommended daily allowance of zinc is 11 mg for older men and 8 mg for older women, with an upper tolerable limit of 25–40 mg per day, including both dietary and supplemental sources. However, individuals over 60 often consume less than 50% of the recommended zinc intake, which is crucial for proper body function.
Observational studies have linked habitual low water intake with blood pressure regulation ... This diet promotes eating nutrients known to help regulate blood pressure by emphasizing fruits ...
The USDA recommends a daily intake of total water: not necessarily by drinking but by consumption of water contained in other beverages and foods. The recommended intake is 3.7 liters (appx. 1 gallon) per day for an adult male, and 2.7 liters (appx. 0.75 gallon) for an adult female. [18]
Plain water restores only the volume of the blood plasma, inhibiting the thirst mechanism before solute levels can be replenished. [42] Consumption of solid foods can also contribute to hydration. It is estimated approximately 22% of American water intake comes from food. [ 43 ]
The Centers for Disease Control and Prevention also reports that water intake is "significantly lower" in older adults: an average of 36 ounces a day for the 60-plus crowd, compared with 51 ounces ...