The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
Why can’t I stop looking at myself on video calls? It’s become obsessive, to the point where I have to turn off the camera. Daniel Brown, London
Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.
More Stories
Cluster headaches are ‘the most painful condition on the planet’. Sufferers are going to extreme – and secretive – measures for relief
Teenagers who go to bed early and sleep longer have sharper brains, study finds
Revealed: Chinese researchers can access half a million UK GP records