Scientists aren’t sure if drinking tea, coffee, or caffeine affects your risk of dementia or Alzheimer’s — the evidence is too weak to say for sure.

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Pro

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Against

Evidence from Studies

Supporting (1)

52

Community contributions welcome

52

Tea, coffee, and caffeine intake and risk of dementia and Alzheimer's disease: a systematic review and meta-analysis of cohort studies.

Systematic Review With Meta-Analysis

Human

2024 Aug 12

This study looked at whether drinking tea, coffee, or getting caffeine affects dementia risk, and it found the evidence is still pretty shaky — just like the claim says. Even though tea might help a little, scientists aren’t very sure because the data isn’t strong enough to be confident.

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Tea, coffee, and caffeine intake and risk of dementia and Alzheimer's disease: a systematic review and meta-analysis of cohort studies.

Score: 52

DOI: 10.1039/d4fo01750a

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