The brothers in their 20s with '15 good summers' left after being hit by a rare type of hereditary early onset dementia (yet remarkably their elder sister has escaped the condition) By Kathryn Knight Published: 01:54, 1 October 2024 | Updated: 01:58, 1 October 2024 e-mail View comments On first meeting, Jordan and Cian Adams seem like any other vibrant young men in their 20s. Fit as fiddles, chatty and charismatic, you'd assume they have the world at their feet. The world they live in, though, is crueller than that.

In the past five years, these close-knit brothers, aged just 28 and 23 respectively, have both learned they are carriers of a gene that determines their future in one of the grimmest ways imaginable. It means both will succumb to Frontotemporal Dementia, or FTD, a rare type of dementia caused by damage to the nerve cells at the front of the brain and which mostly affects people under the age of 65. They are most likely to become symptomatic in their early 40s and could lose their lives within ten years of diagnosis.

And as yet there is no medication they can take to delay symptoms or offer any hope of a cure. It is an agonising fate to confront, compounded by having watched their beloved mother Geraldine go through it before them. Cian, left, and Jordan Adams hope to raise £1million for Alzheimer's Research UK Throughout her 40s, she transformed from a vibrant woman whose smile could light up the room to someone who, by the time of her tragically early death at t.