In message , The Other John
writes
On Tue, 09 May 2017 19:21:52 +0100, Ian Jackson wrote:

As I said, the split starts deep down, and progresses to the surface.

JOOI are you on beta blockers? They did this to me. As soon as I came
off them it stopped happening.

No. Simvastatin and Levothyroxine.
--
Ian