For women, hormones can often cause unusual symptoms or bodily changes. But sometimes, those changes are a sign of something more serious.
This was sadly the case for Mirror columnist Fiona Phillips, who this week confirmed that she has been diagnosed with Alzheimer's.
In the run-up to her diagnosis, the 62-year-old former breakfast TV host had been suffering from brain fog and anxiety that left her "tearful" and a "shadow of [herself]".