Americans drink enough water; consume too much salt, not enough potassium.
D000368:Aged; D004326:Drinking; D005260:Female; D005853:Geriatrics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011188:Potassium / Q000008:administration & dosage*; D012982:Sodium, Dietary / Q000008:administration & dosage* / Q000009:adverse effects; D014481:United States
D012982:Sodium, Dietary; D011188:Potassium