The Hello welcome to the naked scientists with me Chris Smith and also with cat Arnie.

This week how the immune system can turn against the nervous system causing depression, chronic fatigue syndrome and even full-blown psychosis.

I started to feel not like myself. I felt very lethargic I couldn't really concentrate at work I became kind of

obsessive about certain things I thought that I had bed bugs I became convinced that my boyfriend was cheating on me and kind of went through all of his

belongings.

Sounds nasty.

We'll find out what was going on.

Plus, these stories making the headlines this week, including why remembering one thing

can make you forget another, how Hollywood's Terminator films inspired a scientist to invent a

new super fast form of 3D printing, and scientific evidence that the Romans didn't fancy us Brits very much.

The Naked Scientists Podcast is powered by UKfast.co.uk. dot UK.

Killing people is bad right and surely lying is wrong. We all like to think that we make good judgments based on our

inner moral beliefs and that these are strongly held and unshakable. But actually

it turns out that our morals may be more wobbly than we'd like to think.

According to new research from Daniel Richardson at UCL,

where he's been using eye tracking devices to manipulate people's choices.

We were interested in the process that people go through when they're making difficult

choices and in this case we looked at moral decisions because they're things that we think are permanent

about ourselves.

They're a permanent thing about our values and our principles

and our ethics and even our religious beliefs.

And we wanted to see if you make those decisions in the same way that you make a simple choice,

...