<span>women eat at least 1,200 calories daily and men get a minimum of 1,500 calories a day unless supervised by their doctors. Women who eat 1,200 calories and men who consume 1,500 calories a day will likely lose weight. To maintain current body weights, women often require 1,600 to 2,400 calories daily, while many adult men need 2,000 to 3,000 calories a day, according to the publication "Dietary Guidelines for Americans, 2010.</span>
I believe the answer to your question will be hard water because it has more minerals and that would make it the preferred water to drink.
This condition is called "Emphysema".
Emphysema refers to a long term, dynamic illness of the lungs that basically causes shortness of breath due to over-expansion of the alveoli (which are air sacs in the lung). In individuals with emphysema, the lung tissue associated with exchange of gases (oxygen and carbon dioxide) is impeded or wrecked.