Mineral waters , which come both flat and sparkling, contain minerals such as calcium , magnesium , hydrogen sulfide, and sodium. Some are carbonated from the source, while others add carbonation before bottling. People with edema , high blood pressure , or heart disease should carefully check sodium levels of such beverages. Seltzers include club soda, tonic water, and a host of variations, many with added fruit flavors. While club soda comes in low and no-salt versions, it is typically high in sodium.
Water is essential to our existence.
Often people experiencing illnesses including fever and vomiting have an increased need for water. People on high-protein diets need more water. 9.4 cups Pregnant women 10.8 cups Lactating women 14.7 cups Best bets for healthy eating Drink enough liquids to meet your daily requirements. Drink more water if you are exercising, on a high protein diet, or are ill. If you have questions about your local water supply, contact your public health department.