How I learned to love my alarm clock | Sleep

I’ve always disliked getting up in winter. As a kid, I’d hurkle-durkle while blearily watching my school uniform warming on the radiator. These days, I set smartphone alarms for several consecutive minutes, just to make sure I’m roused. It’s too dark, and I’m too groggy. The Guardian’s journalism is independent. We will earn a commission…

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Is it true that … retinol thins the skin? | Beauty

Retinol has long been hailed as a gold-standard ingredient in anti-ageing skincare, but it’s also surrounded by misconceptions. One of the most common? That the vitamin A derivative “thins the skin”. Dr Rosalind Simpson, a medical dermatologist from the Centre of Evidence Based Dermatology at the University of Nottingham, says that this is not quite true. She says retinol, which…

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