Umaru Fofana Ben de la Cruz/NPR hide caption
A woman receives the rVSV-ZEBOV Ebola vaccine at a clinical trial in Conakry, Guinea. The vaccine appears effective after only one shot. Cellou Binani/AFP/Getty Images hide caption
Using a digital device that displays Braille characters, Haben Girma talks with President Obama at a White House ceremony marking the 25th anniversary of the Americans with Disabilities Act. White House photo/Courtesy of Haben Girma hide caption
A woman prepares bhasma ingredients for an Ayurvedic treatment in India. Ayurveda is also used in the United States. Luca Tettoni/Corbis hide caption
The Ebola vaccine from a trial in Guinea needs to be kept at a temperature of minus 60 degrees Celsius, the World Health Organization says. Storage devices use jet fuel to keep the right temperature for up to five days in the field. Sean Hawkey/Sean Hawkey hide caption
Enrollment counselor Vue Yang (left) reviews health insurance options for Laura San Nicolas (center), accompanied by her daughter, Geena, 17, at Sacramento Covered in Sacramento, Calif., in February. Rich Pedroncelli/AP hide caption
"We have 21st-century medical treatments and drugs to treat cancer, but we still have 20th-century procedures and processes for diagnosis," says Jorge Soto. James Duncan Davidson/TED hide caption
"The goal of me as a cancer doctor is not to understand cancer ... the goal is to control cancer," says Dr. David Agus. Courtesy of TED hide caption
Dr. Jay Bradner believes open-source research is necessary in the fight against cancer. Courtesy of Bradner Lab hide caption
Healthy diets help prevent, even reverse, some health conditions. Dr. Dean Ornish believes it can also do the same for cancer. Courtesy of TED hide caption
After Debra Jarvis went through cancer treatment, she didn't want to be labeled only as a cancer survivor. Robert Benson/Robert Benson/TED hide caption
A teenage girl gets a shot of HPV vaccine, which protects against a virus that causes cervical cancer. Sharon Gekoski-Kimmel/MCT/Landov hide caption
Peter Lee, executive director of Covered California, (left) poses with his uncle, Philip Lee, and father Peter Lee (seated) at the younger Peter Lee's home in Pasadena, Calif., in 2013. Gina Ferazzi/LA Times via Getty Images hide caption
Sierra Sandison, Miss Idaho 2014, during the "Show Us Your Shoes" parade at the Miss America pageant. Courtesy of The Miss America Organization hide caption
The bar chart tells all: That's how eighth-graders at Bakgatle Community Junior Secondary School in Botswana can compare the HIV infection rate of older men and of teenage boys. Don Boroughs for NPR hide caption
