I KNOW it's normal, I KNOW it happens, I KNOW it's all about survival ..... but a marauding sparrow hawk has just taken the second of the fledgling blue tits from my garden and I'm gutted. And haunted by the parents' anguished cries. This on top of a ruddy heron making free with the frogs in my pond. 
What medical conditions seem more common now than when you were growing up?

