Perhaps just a little bit. One Law Professor’s experience.
“As it happens, … It turned out that I had a genetic variant that implied a moderately increased risk of meningioma, the second most common type of brain tumor.
The information came a little late to be useful. Last summer, … found me half conscious on the floor. The diagnosis at the local hospital was meningioma, a benign (i.e. non-cancerous) tumor inside my skull but fortunately outside my brain.”