“ Pick up a pathology/microbiology book, and add the diseases/syndroms to your game. Your players will freak out.
Coughed at? Diphteria. or tuberculosis?
Drunk from a muddy stream? Or just walked through? Well, let us introduce you to schistosomiasis...
Hit by a stream of energy? Too moch mana is ust like too much radioactivity - perhaps all mages could develop cancer early if too powerful...”
“ The heroes stop in a small town ready to restock their traveling supplies and feed for their animals. All of the villagers are starving, and there is no food to be had. If the PCs are quick witted, their noble steeds might be slaughtered for food.”
“ In a new town for the first time, the White Raccoon Lodge looks like a comfortable place to spend the night. The owner, however, makes sure to explain to you that there is a curfew after sundown and the door will be locked... from the outside. 'We don't want anyone being caught out on the streets after dark,' he says.
Now that you think of it, all the doors in this small town did have a crossbar on the outside rather than the inside... You wonder what goes on at night...”