Which quotation from the passage supports the idea that the benefits of chocolate are unclear?
"Think twice before you reach for that tempting treat." (paragraph 1)
"The past decade has seen many studies into the health effects of
chocolate." (paragraph 6)
"Laboratory studies have uncovered several mechanisms that might
explain chocolate's heart-healthy benefits." (paragraph 7)
7
"Since cancer can take many years to develop, it's difficult to prove
whether eating chocolate can affect disease." (paragraph 11)
f
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en
't