Gail Youngdale's story is one of second chances - a new marriage, a renewed sense of independence, and a role in a national campaign aimed at advancing Alzheimer's research.

KSAT first reported on Youngdale in 2023 while she was living with progressive Alzheimer's disease and had started a promising experimental medication called lecanemab, with the brand name Leqembi.

It is one of several new treatment options for dementia.