Shades of grey.
D003142:Communication; D006291:Health Policy; D006801:Humans; D050177:Overweight / Q000503:physiopathology; D011634:Public Health / Q000193:education* / Q000592:standards; D011639:Public Opinion; D012586:Science / Q000193:education*; D017673:Sodium Chloride, Dietary / Q000009:adverse effects; D035501:Uncertainty
D017673:Sodium Chloride, Dietary