The Gray Panthers: Living Fully At Any Age.

At 65, Kuhn was forced to retire from her job solely because of her age. In 1969, she founded the Gray Panthers, which advocated for the rights and dignity of older people. Early on, the group also participated in the anti-war movement. Kuhn joins Fresh Air to talk about aging and the different expectations placed on people of her generation.

Dr. Louise Aronson says the U.S. doesn't have nearly enough geriatricians — physicians devoted to the health and care of older people: "There may be maybe six or seven thousand geriatricians," she says. "Compare that to the membership of the pediatric society, which is about 70,000."

While caring for her mother, who had dementia, bioethicist Tia Powell began imagining a different way to approach the disease. Her new book looks at long-term care options and end-of-life decisions.