Assertion: caffeine | /r/MadeOf | several chemical components
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Source sentences:
text: Even though caffeine contains several chemical components that may provide health benefit in reducing dementia [ 3 ], insulin resistance, type 2 diabetes mellitus [ 4 , 5 ], Parkinson disease [ 5 ], cirrhosis and advanced hepatic fibrosis [ 6 – 11 ], excess intake is not recommended; especially during pregnancy [ 12 ].