This may be a “hot” one, considering lots of people do not like anything nuclear. If you would want to know my “bias”, well I have always been “pro nuclear”. So if you want to take this claim with huge mountains of salts, feel free to do so.
Here is a relevant wiki article for radiation hormesis. This is a proposed effect that certain amounts of radiation exposure may even be beneficial instead of harmful as LNT may suggest.
TL;DW for folks who do not want to watch video (I have not included examples or numbers)
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Radiation from natural sources (like radioactive bananas you eat, or from soil or space) are always present. 
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Most nuclear safety guidelines consider that there are no “safe limits” of exposure to radiation. For example, there are safe limits of some metals in our body, there is no limit for mercury or lead exposure. There is a required amount of vitamins you need, but there is also a limit beyond which they are not safe. Radiation is treated like mercury in guidelines. 
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If it has no safe limits, then due to natural exposure, places with higher background exposure must have naturally higher rates of cancers developing - but the thing is, experiments and data collected does not match. 
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Your body has natural means to repair damage done by radiation, and below a certain limit, your body can withstand (and arguably benefit, see the linked article) the radiation. 
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Over estimating danger due to radiation leads to large scale paranoia, and leads to general public be scared of nuclear disasters, when they are not as bad ast they may seem. 
And pre-emptively answering some questions I am expecting to get
- Do you support nuclear bombs? Hell no. We should stop making all kinds of bombs, not just nuclear.
Are there not better means of renewable energy generation like
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solar? - no, you still need rare erath metals, you need good quality silicon, and you need a lot of area. Until we have a big “stability” bump in perovskite solar cells, it is not the best way. is it better than fossil fuel? everything is better than fossil fuel for practical purposes. 
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wind? geothermal? - actually pretty good. but limited to certain geographies. if you can make them, they are often the best options. 
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hydro? - dams? not so much. There are places where they kinda make sense, for example really high mountains with barely any wildlife or people. otherwise, they disturb the ecosystem a lot, and also not very resistant to things like earthquakes or flooding, and in those situations, they worsen the sitaution. 


This is a brilliant documentary from 2006, made by the BBC, on the topic of our fear of radiation, at the end it explains the LNT model and talks about the issues with it.
Please enjoy:
https://www.dailymotion.com/video/xwy1o5
Thanks! My husband and I I watched this while we were in the UK for our wedding that year.
We opened up this Kyle Hill a few days ago to watch it since he’s in our regular rotation and stopped it in the intro, looked at one another and said “Oh shit! The J-curve thing!”
I love how Kyle covers this too. He’s great.