We older people are always a footnote

A recent Cambridge University study found that the human brain has five epochs – although reports paid little attention to the last two. Photograph: Daisy-Daisy/Alamy

As one of your older readers, I was looking forward to reading the interesting article on the five epochs of brain development (Brain has five ‘eras’, scientists say – with adult mode not starting until early 30s, 25 November). But why was I not surprised to find the final two epochs given just one sentence between them?
Dave Headey
Faringdon, Oxfordshire

• I was delighted to find out that the Royal Opera House is replacing its 26-year-old stage curtains. Perhaps the old ones could be reused to make new riser cushions for the stage of Huddersfield town hall. We’re still waiting to be levelled up. (See my Guardian letter, 14 February 2022.)
Lynn Brooks
Kirkburton, West Yorkshire