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Hello this week addiction

Why do we get hooked on things and are video games really addictive plus evidence that the

gambling industry uses artificial intelligence to make you more likely to keep

playing and paying. Also in the news scientists discover how to turn insulin injections into a pill, a revolution in making biofuels much faster, and...

We find out about the science of why things raw. I'm Katie

Hayler. I'm Chris Smith and this is The Naked Scientists.

The Naked Scientists podcast is powered by UKfast.co-not UK.

Now first up this week,

millions of people worldwide are afflicted by diabetes and regularly

have to inject the insulin that they lack to control their blood sugar.

Now scientists have developed a way to package the drug into a pill and protect it from digestion.

From Harvard University, Samir Mitrigothri.

In diabetes, insulin is not produced by the pancreas, or not used very well by the cells, so the sugar level in the body goes up and that has

significant long-term complications such as loss of eyesight, loss of sensation. The main therapy is to take insulin. Now insulin is the protein which means it gets digested by the stomach.

And even if some insulin remains in the stomach intact,

...