At every chronological estimation they should append 'at least as old as' while they present their results. You never know if something older comes up later.
I cannot fathom why a SW developer ever needs to use Windows at least the last ten years. Do you work for MS? Use Linux and spin up a pass-through VM in your favourite supervisor.
The decline of Windows will cause a huge power vacuum that Linux distributions can in no way cover. Who will support the huge swaths of tech non-savy average Joe and Brenda users (mostly device drivers, games, Office) that sometime will need to open the command terminal? May be a new future trillion-$ company will come with a new proprietary desktop OS, possibly based on Linux, like android.
Finasteride messes with the testosterone hormonal balance. As testo affects mood, no surprise it can cause depression (although relatively rare) and hence suicidality.
Welfare state, social safety nets, socialism, you name it, kill innovation through a cascade of psychosocial mechanisms. This is a law that is written on the two sides of north Atlantic.
Cancer is a hard problem. It has deeper interconnected mechanisms long before any inflammation or observable change. Cancer is caused due to slow incremental addition of DNA mutations that lead to cell division control failure. This first step is intractable to reverse. All the next stages just lead to early or late diagnosis.
Because of the interplay between dozens of unknown regulating genes that effect in an obscure way the final decision to trigger the cell mitosis (division). Even if we ever uncover the whole cascade mechanism, how can we stop this monstrous process in everyone of the billion cells that are able to divide? We still have no idea of any drug, viral vector or DNA fragment that can intervene tissue wide.
Subscription is hugely more profitable than a one time purchase even if the latter equates a multi year long subscription. It provides the company with customer personal information and proof of engagement, it is more easily sold (it's like a purchase with a loan) and other advantages.
Smoking in puberty is an obvious signal of many other malign traits: low socio- educational-economic level, violence, mental disease, besides of possible harm to their sperm.
Many confounders that are difficult to include.
Another correlation that has to take into account decades long lifetime confounders that are the elephant in the room, especially somatic and latent mental diseases. For example lonely people are so because their relatives died early and they will soon too.
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