/u/Then_Marionberry_259's posts in /r/MetalsOnReddit
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Been lurking for a bit trying to learn. So I got my couple Kennedys out to look. Are the 1965,1966 and 1967 supposed to have mint marks? Google says yes...on the front? But I only see that one guys sig on the neck
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Multiple urinary metals play key role in cardiovascular disease. the six-metal mixture including cadmium, tungsten, uranium, copper, cobalt, and zinc was associated with a 29% increased risk of cardiovascular disease and a 66% increased risk of death over the study follow up of 18 years.
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