Stop this Nonsense: Huge New UV Light Mortality Study - I Strongly Disagree
Physionic
Mar 5, 2026
Episode description
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0:00 - Introduction
1:08 - Sunlight’s Mortality Effect
2:35 - BEEM me Up, Scotty!
5:00 - More Death, Please
8:24 - To UV or not to UV - that is the question?
References*
*Funding/Conflicts are provides in the free article (found in email list or Physionic Community Article Library)
[Study 642] Gu J, Stevenson AC, Brady AR, Cowan GJM, Dibben C, Weller RB. B. medRxiv [Preprint]. Posted January 15, 2026. doi:10.64898/2026.01.08.26343592.
[Study 643] Yang L, Lof M, Veierød MB, Sandin S, Adami HO, Weiderpass E. Ultraviolet exposure and mortality among women in Sweden. Cancer Epidemiol Biomarkers Prev. 2011;20(4):683-690. doi:10.1158/1055-9965.EPI-10-0982.
[Study 644] Stevenson AC, Clemens T, Pairo-Castineira E, Webb DJ, Weller RB, Dibben C. Higher ultraviolet light exposure is associated with lower mortality: An analysis of data from the UK biobank cohort study. Health Place. 2024;89:103328. doi:10.1016/j.healthplace.2024.103328.
[Study 645] Freedman DM, Dosemeci M, McGlynn K. Sunlight and mortality from breast, ovarian, colon, prostate, and non-melanoma skin cancer: a composite death certificate based case-control study. Occup Environ Med. 2002;59(4):257-262. doi:10.1136/oem.59.4.257.
[Study 646] Lin SW, Wheeler DC, Park Y, et al. Prospective study of ultraviolet radiation exposure and mortality risk in the United States. Am J Epidemiol. 2013;178(4):521-533. doi:10.1093/aje/kws589.
[Study 647] Parkhouse T, Spiga F, Rhodes LE, et al. The effects of sunlight exposure on mortality: a systematic review of epidemiological studies [version 2]. NIHR Open Res. 2025;5:51. doi:10.3310/nihropenres.13980.2.
[1] Opländer C, Volkmar CM, Paunel-Görgülü A, et al. Whole body UVA irradiation lowers systemic blood pressure by release of nitric oxide from intracutaneous photolabile nitric oxide derivates. Circ Res. 2009;105(10):1031-1040. doi:10.1161/CIRCRESAHA.109.207019
[2] Prasanth MI, Santoshram GS, Bhaskar JP, Balamurugan K. Ultraviolet-A triggers photoaging in model nematode Caenorhabditis elegans in a DAF-16 dependent pathway. Age (Dordr). 2016;38(1):27. doi:10.1007/s11357-016-9889-y
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Disclaimer: None of the information provided by this brand is a replacement for your physician's advice. This brand is information for the sake of knowledge and the options of choice it provides, not in any way a personalized prescription. Please consult your physician before making any health related changes.
Mindsip insights from this episode:
Challenge bias in UV exposure studies
A systematic review of 55 studies on UV exposure and mortality concluded that not a single one had a low risk of bias.
Limit UV exposure to protect animal health
In contrast to some human data, animal studies on C. Elegans worms show that continuous UV exposure leads to devastating mortality effects.
Recognize visible and infrared light's role in sun exposure
Focusing only on UV light ignores that sun exposure also includes massive portions of visible and infrared light, which could be the real causal factors.
Avoid tanning beds to reduce mortality risk
One study showed that regular tanning bed use (high UV, low infrared) is linked to increased mortality, while sun exposure is linked to reduced mortality.
Recognize infrared light as key to sun's health benefits
The health benefits attributed to sun exposure might actually come from infrared light, not the UV light that is typically the focus of research.
Utilize sunscreen to harness benefits of infrared light
Using sunscreen allows you to get the potential benefits of the sun's infrared light, as it only blocks UV wavelengths.
Reevaluate sun exposure measurements for accurate UV scoring
A new study's criteria (SUNBEAM) counterintuitively gives a higher UV exposure score to people who use sun protection, based on an assumption about their behavior.
