The COVID crisis throws into relief what happens when grief has—quite literally—nowhere to go. The evidence suggests that most people summon strengths that surpass their own expectations.
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Several years ago, I read about a possible link between dopamine and addiction. I don't recall the details but the bottom line was that low dopamine levels were related to addiction, not as a result of drug use but as a precursor. This study seems to be flawed in that it establishes a "link" but doesn't control for whether it is the cause or the effect.
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