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Signs don't look so good. See this article http://www.cspinet.org/nah/articles/salt.html, which refers to a number of recent (and not so recent) studies. (There are references to the actual studies in the PDF version; oddly in the html article the superscript numbers are there but the notes are missing.) Some highlights:

• A 2009 meta-analysis of 13 studies found that cutting salt reduces blood pressure and also lowers risk of heart attacks and strokes
• long-term exposure to excess sodium means eventual high blood pressure for 90% of Americans
• even moderate blood pressure is associated with increased risk
• there's some suggestion that elevated blood pressure may be associated with dementia
• there's suggestion that salt is harmful to the cardiovascular system directly, regardless of pressure

Note that many of the studies are newer than the 2003 paper referenced in Sklivvz's answer.

Signs don't look so good. See this article http://www.cspinet.org/nah/articles/salt.html, which refers to a number of recent (and not so recent) studies. (There are references to the actual studies in the PDF version; oddly in the html article the superscript numbers are there but the notes are missing.) Some highlights:

• A 2009 meta-analysis of 13 studies found that cutting salt reduces blood pressure and also lowers risk of heart attacks and strokes
• long-term exposure to excess sodium means eventual high blood pressure for 90% of Americans
• even moderately-elevated blood pressure is associated with increased risk
• there's some suggestion that elevated blood pressure may be associated with dementia
• there's suggestion that salt is harmful to the cardiovascular system directly, regardless of pressure

Note that many of the studies are newer than the 2003 paper referenced in Sklivvz's answer.

Signs don't look so good. See this article http://www.cspinet.org/nah/articles/salt.html, which refers to a number of recent (and not so recent) studies. (There are references to the actual studies in the PDF version; oddly in the html article the superscript numbers are there but the notes are missing.) Some highlights:

• A 2009 meta-analysis of 13 studies found that cutting salt reduces blood pressure and also lowers risk of heart attacks and strokes
• long-term exposure to excess sodium means eventual high blood pressure for 90% of Americans
• even moderate blood pressure is associated with increased risk
• there's some suggestion that elevated blood pressure may be associated with dementia
• there's suggestion that salt is harmful to the cardiovascular system directly, regardless of pressure

Note that many of the studies are newer than the 2003 paper referenced in Sklivvz's answer.

Signs don't look so good. See this article http://www.cspinet.org/nah/articles/salt.html, which refers to a number of recent (and not so recent) studies. (There are references to the actual studies in the PDF version; oddly in the html article the superscript numbers are there but the notes are missing.) Some highlights:

• A 2009 meta-analysis of 13 studies found that cutting salt reduces blood pressure and also lowers risk of heart attacks and strokes
• long-term exposure to excess sodium means eventual high blood pressure for 90% of Americans
• even moderate blood pressure is associated with increased risk
• there's some suggestion that elevated blood pressure may be associated with dementia
• there's suggestion that salt is harmful to the cardiovascular system directly, regardless of pressure

Note that many of the studies are newer than the 2003 paper referenced in Sklivvz's answer.

Signs don't look so good. See this article http://www.cspinet.org/nah/articles/salt.html, which refers to a number of recent (and not so recent) studies. (There are references to the actual studies in the PDF version; oddly in the html article the superscript numbers are there but the notes are missing.) Some highlights:

• A 2009 meta-analysis of 13 studies found that cutting salt reduces blood pressure and also lowers risk of heart attacks and strokes
• long-term exposure to excess sodium means eventual high blood pressure for 90% of Americans
• even moderate blood pressure is associated with increased risk
• there's some suggestion that elevated blood pressure may be associated with dementia
• there's suggestion that salt is harmful to the cardiovascular system directly, regardless of pressure

Note that many of the studies are newer than the 2003 paper referenced in Sklivvz's answer.

Signs don't look so good. See this article http://www.cspinet.org/nah/articles/salt.html, which refers to a number of recent (and not so recent) studies. (There are references to the actual studies in the PDF version; oddly in the html article the superscript numbers are there but the notes are missing.) Some highlights:

• A 2009 meta-analysis of 13 studies found that cutting salt reduces blood pressure and also lowers risk of heart attacks and strokes
• long-term exposure to excess sodium means eventual high blood pressure for 90% of Americans
• even moderate blood pressure is associated with increased risk
• there's some suggestion that elevated blood pressure may be associated with dementia
• there's suggestion that salt is harmful to the cardiovascular system directly, regardless of pressure

Note that many of the studies are newer than the 2003 paper referenced in Sklivvz's answer.