Earlier this year we brought you the story of the Seaham Sea Swimmers, a group of people using the North Sea to improve their mental and physical health.
One of them, Katie Wotton, has lipoedema, a medical condition which causes an abnormal build-up of fat in the legs and arms.
Since filming with us Katie has started raising awareness of the condition with an online blog.
She says the sea has given her a new sense of purpose.
Watch her story here: