I've just returned from the latest excellent Talk About Trust's 2025 conference in Bournemouth, where someone mentioned the dire effects of blue light from smartphones on the sleep patterns of teenagers. This is widely talked about and may be something of a core belief in our community (1), but is it really something to worry about?
For World Mental Health Day 2019, SHEU offer this preview of a finding from their forthcoming report, Emotional Wellbeing in Young People into 2019, to be released later this year.
...was a re-telling of his argument with The Lancet when publishing findings about the beneficial effects of aspirin and other drugs in heart attack patients. Huge trial, uncontrovertible results, practical implications: great stuff:
Someone told me recently, "men have seven times more grey matter in their brains than women, women have ten times more white matter than men".
I was sure this absolutely startling statement couldn't be true -- and when I checked, it was not -- but I think it could have both accurately remembered and quoted. The trouble is, the original paper didn't say that, but it had been mangled in some reports (4).
I always learn things from listening to the radio. On 'The Infinite Monkey Cage', I heard Brian Cox rattle off a 'rule of thumb', which goes something like:
A number plus or minus the square root of the sample size is consistent with random sampling error.