Some diseases are more complex than others. Many of our common and “simple” illnesses were totally incomprehensible to ancient healers, but they did sometimes have surprisingly detailed understandings of diseases which would have been very difficult to comprehend.

The friends and loved ones of suicide victims are at increased risk of all sorts of mental health difficulties themselves, but we know very little about what happens in societies where suicide is acceptable or encouraged.

Plenty of things in medieval fantasy are frightening, but few things fill the modern soul with greater terror than the thought of a world without coffee.

In most role-playing games, the older and more powerful a character gets, the faster they heal, but in real life it's quite the opposite.

There are some interesting differences between the healing magic of the Harry Potter series and the games we’re more familiar with.

People talk about being addicted to coffee and work; people can feel hooked on almost anything. In a rich, complex world, people develop genuine addiction to all sorts of weird things.