I read the story below and it sent shivers down my spine http://www.bbc.co.uk/news/uk-scotland-29595164
I was reading that story on the Telegraph website over the weekend. Apparently leeches don't grow that quickly so it must already have been three inches long when it slithered up her nostril. Yikes!
You would have thought that something of that size would have alerted her long before the three weeks. I hope she checked her other orifices too You've been over in that neck of the woods as well Dave, better get your mirror on a stick out