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hh3k0 | 2 years ago

> despite saying they're "harmful", they've been everywhere for all these decades that a lot of other measures of quality of life have been increasing?

Might be unrelated (or not), but cancer rates have been exploding the last decades. Example via Google-Fu:

> Cancer cases in under-50s worldwide up nearly 80% in three decades, study finds

https://www.theguardian.com/society/2023/sep/05/cancer-cases...

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jdietrich|2 years ago

>cancer rates have been exploding the last decades

For reasons that are really quite well-understood. PFASs are not known to be significantly carcinogenic, particularly not at the miniscule levels most people are exposed to. We willingly fill ourselves with things that are definitely very carcinogenic - processed meat, alcohol, tobacco smoke, diesel fumes, etc etc ad nauseum.

Exposure to some of these carcinogens has been static or declining in some western countries, which has led to static or declining age-adjusted cancer incidence rates. They have vastly increased in the middle-income countries that are home to most of the world's population. The life of the average Chinese or Indian person has been transformed beyond all recognition in recent decades (for better and for worse) by urbanisation and industrialisation.

There isn't some unseen and unrecognised carcinogen that is sweeping the world and wreaking havoc; the global poor are just getting rich enough to develop the kind of lifestyle-related cancers that we're accustomed to in the west, while also getting rich enough to be diagnosed rather than just getting sick and dying.

Look at the source cited by that article - the growth in cancer rates is completely dominated by rapidly-growing economies in the global south.

https://bmjoncology.bmj.com/content/2/1/e000049

mianos|2 years ago

Funny, you quoted the same one as me in another thread. That is a really good paper. Worth pasting on a top level thread.

pid-1|2 years ago

Controlled by age?

TeMPOraL|2 years ago

And just as importantly, is it controlled for changes in diagnostic criteria, improvements in testing and pre-screening? In the past decades, we got better at classifying and discriminating between cancers and other illnesses and causes of death.