Claim: Research reported in the Daily Mail links migraines, strokes and dementia rates to climate change, but increases are actually explained by harm from Covid-19 vaccines.
Fact-check: Instagram post misrepresents study linking climate change and diseases - Full Fact
Verdict: the research almost entirely focuses on data from before the covid vaccines were produced. the vaccines can cause strokes in rare cases, though less often than infection itself. the vaccines are generally safe and are not associated with dementia or long-term migraine disorders.
Organisation: Full Fact
Author: Dr Fergus Brown
Date published: 2023-01-16T00:00:00