She hopes to reach her target of £3,500.
The Redbridge United Synagogue member lives independently, with the support of a full-time carer.
She wants to raise awareness of the condition, as “every bit of funding is vital for the continued progress of research into an eventual cure”.
Nine years ago, Ms Collins did a skydive in aid of the charity, which she recalled as “relatively easy.
“I was strapped to someone so they were in charge.”
She is “more scared” about her latest challenge. “I will be freefalling on my own and I’ve never done anything like it. I hope I can show people that while there are things I can’t do, there is plenty I can.”