Why I am optimistic

Many people I know are less prone to depression than I am, yet seem overall more down when they talk about the world and the people in it.

Why?  Partly  because I grew up in a politically aware household, and understood the huge changes in and from the years of my childhood.  So many people don’t seem to have paid attention, and don’t realise how much things can change in our country.  Partly because I know some deep history of places-other-than-this, so I know how much human lives have changed globally, how they can react to a changing environment, and just how amazingly NICE many people can be.

But, day to day, I find the thing that keeps me up-beat is … reading New Scientist and listening to ABC Radio National science/health programs.

Here’s an example.   New Scientist, page 18, 22 Feb 2014, “Tiny rod reels cancer cells to their death.”

So you have glioblastoma,  brain cancer cells, sitting beside some vital part of the brain that you really don’t want to lose, building up numbers and crushing something like your ability to make new memories, or to distinguish between your wife and a hat until one of them speaks.   If you cut out the cancer you may lose the ability anyway, and drugs to kill the cancer may kill you before they kill all the cancer.

So the doctors get a thin tube lined with a sneaky material, and at the top have a chemotherapy gel.  They poke the tube down into the cancer, and the cancer cells crawl up the tube and are killed with minimal disruption to your biochemistry.  Imagine saying to your cancer “Crawl off and die!”

Imagine if they put a collection chamber on the end and an access-flap in your skull, and took out live cells to analyse their weaknesses, or to prime your immune system against them.

How cool is that?  It brightened my whole day.

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