I’ve always found Oliver Sacks’ books fascinating. Sacks was a neurologist, but in this book he gives us a glimpse of his childhood interests. In his early years he was fascinated by the natural world.
How do healthy cells turn cancerous? Their DNA gradually accumulates errors. Most of these errors aren’t important, but occasionally they stop the cell from working properly. They might cause a cell to grow out of control – and this can lead to cancer.