TikTok · Paola | Radiação para Leigos · Unknown · Aug 5, 2026
The video correctly explains that UV radiation can harm skin and eyes, but it wrongly links ozone-layer reduction to global warming.
Claim-by-claim breakdown
Accurate (97% confidence): Ultraviolet radiation exposure can cause skin burns, cataracts, and skin cancer. WHO and CDC state that UV exposure can cause skin cancer and eye damage, including cataracts, and can lead to sunburn.
Accurate (96% confidence): Ultraviolet radiation is non-ionizing radiation. WHO describes non-ionizing radiation as having insufficient energy to cause ionization, and CDC lists UV as non-ionizing radiation.
Accurate (78% confidence): UV can still damage biological molecules through other mechanisms besides ionization, including excitation. UV’s harmful effects are well documented, and non-ionizing radiation can still cause biological injury through photochemical interactions rather than ionization.
Accurate (72% confidence): Skin cancer is the most common cancer in Brazil. Brazilian cancer statistics and IARC data show non-melanoma skin cancer is the most incident cancer type in Brazil.
False (94% confidence): Global warming is causing a reduction in the ozone layer that increases UV exposure. NASA, EPA, and UNEP explain that ozone depletion is driven by human-made ozone-depleting chemicals; the ozone layer is recovering as those chemicals are phased out.
Accurate (90% confidence): Artificial tanning and occupational UV exposure can also cause harmful UV-related effects. WHO states that both sunlight and artificial sources such as sunbeds contribute to UV-related health harms.