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Comment Re:That is ... really bad? (Score 1) 78

The linked study indicates that chronic users of caffeine in amounts over 400mg per day are more likely to develop high blood pressure and or experience cardiac arrest/other related problems. I didn't dig into whether they screened for pre-existing conditions. There's also the possibility that some people who don't have obvious cardiac conditions could be pushed over the edge by caffeine in a way we don't yet understand.

In any case there was a nonzero number of study participants for whom large regular doses of caffeine were not safe.

Comment Re:I believe Africa has the raw materials (Score 1) 28

Subsidies, scale, and access to raw materials/cheap energy to get the started (mostly coal). China has been building the infrastructure for mass manufacture of good for the last 40 years, while most of Africa has not. Not to speak of issues with worker discipline and China having effective slave labor.

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