Radiation Therapy Videos
'10% Happier': Arianna Huffington
The co-founder and editor-in-chief of The Huffington Post talks about her new book, "The Sleep Revolution," with ABC News' Dan Harris.
Leah Still Reveals Flower Girl Dress for Her Dad Devon's Wedding
Leah Still, 5, reveals her pink, sparkly 3D applique flower girl dress that she'll wear in her father's May 13 wedding.
ARCHIVE VIDEO: The Chernobyl 'Dead Zone,' 20 Years Later
April 23, 2006: Twenty years later, and still dealing with the Chernobyl accident aftermath.
ARCHIVE VIDEO: Cuban Doctors Dedicated to Chernobyl's Youngest Victims
Aug. 1, 1992: Ukrainian children affected by radiation from the Chernobyl disaster are treated in Havana, Cuba.
Former First Lady Nancy Reagan's Legacy Remembered
Nancy Reagan died Sunday at age 94 of congestive heart failure at her home in Los Angeles.
Jimmy Carter's Doctors Find No Evidence of Cancer After Breakthrough Treatment
Former President Jimmy Carter announced this weekend that his doctors have said he no longer needs cancer treatment thanks in part to a groundbreaking new kind of medication that trains the immune system to fight cancer tumors.
Leah and Devon Still on Leah's Fight Against Cancer
Oh, my goodness. Leah still is the 5-year-old who captured all the world's attention, our hearts, inspired millions, bravely facing cancer. Now she and her daddy have scored the biggest victory of all. Look at them. They're here in our studio. She's cancer-free and we'll talk to them in just a
Jimmy Carter Says Latest Tests Show No Signs of Cancer
The former president said Sunday he shows no signs of cancer four months after announcing melanoma had spread to his brain.
Breast Cancer Doctors Speak Out Against New Mammogram Guidelines
The doctors wrote in an op-ed in The New York Times that they disagree with the American Cancer Society's recommendation that women do not get screened regularly until age 45.
Major Shift in Mammogram Guidelines for Women
The American Cancer Society is now advising women to get yearly mammograms starting at age 45.