Dr Gilbert Welch, in his book Over-Diagnosed:Making people Sick in the Pursuit of Health, warns against the dangers involved in lowering guideline like these. Lowering the threshold for treatment increases the likelihood of an adverse effect of treatment while perhaps only minimally increasing the possibility of benefit.

http://dartmed.dartmouth.edu/winter...g_the_rules.pdf

As a person who once took medication for high blood pressure and now has perfectly normal blood pressure thanks to eating lchf, this new guideline does not seem like a reasonable way to go or an advance in medical treatment.

Jean