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A comment on Caffeine and theanine exert opposite effects on attention (2017). Parent comment

Re:Caffeine and theanine exert opposite effects on attention... by hda111 on Wednesday July 21, 2021 @01:47PM (#27909541)
Modafinil or Methylphenidate? Modafinil never made me paranoid but I know at least one person with psychosis caused by Methylphenidate.

I avoid both nowadays because work isn’t worth risking health.

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Re:Caffeine and theanine exert opposite effects on attention... by likeabbas on Wednesday July 21, 2021 @02:09PM (#27909860)
What are the health risks with either?
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