DoubleChecks

What was claimed

We have vaccines for cancer now. Electric cars and solar power are saving us from climate change. [...] People with cystic fibrosis live to 65 instead of 25.

Our verdict

Needs Caution

There are approved cancer-related vaccines, but most are preventive vaccines against HPV and hepatitis B, and the therapeutic vaccines are for specific cancers rather than cancer in general. Life expectancy for people with cystic fibrosis has risen substantially over decades due to better care and modulators, and predicted survival for people born today has increased (some estimates project median survival into older adulthood). But the specific blanket claim that people "live to 65 instead of 25" overstates and oversimplifies current median/ predicted survival statistics.

All 3 AI systems agree15 sources citedChecked Jul 15, 2026

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Key findings

Electric cars and solar power are saving us from climate change.

Misleading80%
2 of 3 AIs agree·Perplexity: Can’t verify

People with cystic fibrosis live to 65 instead of 25.

Misleading83%
2 of 3 AIs agree·Perplexity: Can’t verify

We have vaccines for cancer now.

Misleading89%
All 3 AIs agree

Verified against 15 sources

cancerresearch.orgcancer.govpmc.ncbi.nlm.nih.govpmc.ncbi.nlm.nih.govcancer.orgpmc.ncbi.nlm.nih.govpmc.ncbi.nlm.nih.govcancer.capmc.ncbi.nlm.nih.govdukehealth.orgnews.cancerresearchuk.orgcancerresearchuk.orgcancertodaymag.orgufhealth.orgpennmedicine.org

Detailed Analysis

The response mixes one broadly accurate idea with one exaggerated claim and one unsupported numerical claim. Cancer vaccines do exist, but they are mostly preventive vaccines against cancer-causing infections or therapeutic vaccines for certain cancers, not a general cure for cancer [1] [2] [5]. The climate and cystic fibrosis claims cannot be verified from the provided sources, and the cystic fibrosis lifespan figure is presented as a precise statistic without support.

Why this verdict

  • The response mixes one broadly accurate idea with one exaggerated claim and one unsupported numerical claim.
  • Cancer vaccines do exist, but they are mostly preventive vaccines against cancer-causing infections or therapeutic vaccines for certain cancers, not a general cure for cancer [1] [2] [5].
  • The climate and cystic fibrosis claims cannot be verified from the provided sources, and the cystic fibrosis lifespan figure is presented as a precise statistic without support.

Claims checked

We have vaccines for cancer now.

Misleading93%
There are approved cancer-related vaccines, but most are preventive vaccines against HPV and hepatitis B, and the therapeutic vaccines are for specific cancers rather than cancer in general [1] [2] [5].

This claim may mislead readers without added context.

Electric cars and solar power are saving us from climate change.

Can’t verify54%
No provided source addresses climate mitigation impacts of electric cars or solar power. The claim is too broad and value-laden to verify from the available evidence.

People with cystic fibrosis live to 65 instead of 25.

Can’t verify62%
No provided source supports this life expectancy figure. The statement gives a precise comparison without evidence, so it cannot be confirmed from the available sources.

What other AI think

The response contains a mix of partially accurate and misleading claims. The cystic fibrosis life expectancy figure of 65 is accurate for recent cohorts, but the comparison to "25" is imprecise and the claim oversimplifies a complex reality where outcomes vary significantly. Cancer vaccines are in development but not yet widely available as the statement implies. The climate claim overstates the current impact of these technologies.

Why this verdict

  • The response contains a mix of partially accurate and misleading claims.
  • The cystic fibrosis life expectancy figure of 65 is accurate for recent cohorts, but the comparison to "25" is imprecise and the claim oversimplifies a complex reality where outcomes vary significantly.
  • Cancer vaccines are in development but not yet widely available as the statement implies.
  • The climate claim overstates the current impact of these technologies.

Claims checked

Electric cars and solar power are saving us from climate change

Misleading75%
While these technologies help reduce emissions and contribute to climate mitigation, the word 'saving' overstates their current impact. They are tools for addressing climate change, not solutions that have already 'saved' us from it.

This claim may mislead readers without added context.

People with cystic fibrosis live to 65 instead of 25

Misleading80%
The 65-year median is accurate for recent cohorts, but the comparison is imprecise (historical baseline was ~29 years, not 25). More critically, this masks that half of CF deaths still occur before age 39, and outcomes vary greatly by access to modern treatments.

This claim may mislead readers without added context.

We have vaccines for cancer now

Misleading85%
While one cancer vaccine (Nadofaragene firadenovec) was approved in 2022 for bladder cancer, most cancer vaccines remain in clinical trials with first major approvals expected in 2026-2029. The statement implies widespread availability that doesn't yet exist.

This claim may mislead readers without added context.

The response mixes accurate facts with misleading overstatements. Some parts are true in specific contexts, but the broad wording makes them incorrect or overstated.

Why this verdict

  • The response mixes accurate facts with misleading overstatements.
  • Some parts are true in specific contexts, but the broad wording makes them incorrect or overstated.

Claims checked

Electric cars and solar power are saving us from climate change.

Misleading85%
Electric vehicles and solar power reduce greenhouse gas emissions compared with many fossil‑fuel alternatives and are important mitigation tools. However, they alone are not yet "saving us" from climate change, because global emissions remain high and many additional actions are required to meet climate targets.

This claim may mislead readers without added context.

People with cystic fibrosis live to 65 instead of 25.

Misleading85%
Life expectancy for people with cystic fibrosis has risen substantially over decades due to better care and modulators, and predicted survival for people born today has increased (some estimates project median survival into older adulthood). But the specific blanket claim that people "live to 65 instead of 25" overstates and oversimplifies current median/ predicted survival statistics.

This claim may mislead readers without added context.

We have vaccines for cancer now.

Misleading90%
There are approved vaccines related to cancer: preventive HPV and hepatitis B vaccines, and a few therapeutic/oncologic vaccines (e.g., sipuleucel‑T for prostate cancer and BCG for bladder cancer). Saying simply "we have vaccines for cancer now" implies a general cure‑style vaccine for most cancers, which is not accurate.

This claim may mislead readers without added context.

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