- Source: CNN " data-fave-thumbnails="{"big": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/130529133338-cervix-cancer-cells.jpg?q=x_0,y_251,h_1688,w_3000,c_crop/h_540,w_960" }, "small": { "uri": "https://media.cnn.com/api/v1/images/stellar/prod/130529133338-cervix-cancer-cells.jpg?q=x_0,y_251,h_1688,w_3000,c_crop/h_540,w_960" } }" data-vr-video="false" data-show-html=" The Lead " data-byline-html="
" data-timestamp-html="
Published 2:17 AM EDT, Sat September 17, 2016
" data-check-event-based-preview="" data-is-vertical-video-embed="false" data-network-id="" data-publish-date="2015-12-17T22:31:25Z" data-video-section="health" data-canonical-url="https://www.cnn.com/videos/health/2015/12/17/cancer-lifestyle-study-gupta-lead-lok.cnn" data-branding-key="the-lead" data-video-slug="cancer lifestyle study gupta lead lok" data-first-publish-slug="cancer lifestyle study gupta lead lok" data-video-tags="health and medical,sanjay gupta,cancer,diseases and disorders,environment and natural resources,environmentalism" data-details="">
390487 02: (FILE PHOTO) Close up of cancer cells in the cervix. Cancer of the uterine cervix, the portion of the uterus that is attached to the top of the vagina. (Photo by American Cancer Society/Getty Images)
Study: Lifestyle has a bigger role in causing cancer
01:41 - Source: CNN

Story highlights

Improved numbers a result of major steps in leukemia treatment , report says

Overall, childhood cancer deaths continue to decline, study says

CNN  — 

Brain cancer has surpassed leukemia as the deadliest cancer for children and teens in the United States, new federal data show.

The new numbers are a result of major advances in leukemia treatment and lack of progress when it comes to brain cancer, according to the National Center for Health Statistics, which is part of the Centers for Disease Control and Prevention.

“More than half of all cancer deaths among children and adolescents aged 1–19 years in 1999 and 2014 were attributable to either leukemia or brain cancer,” the report said.

Brain cancer and leukemia accounted for more than half of all cancer deaths for people age 1-19 in 1999 and 2014, the report says.

“A shift occurred during the period, with brain cancer replacing leukemia as the leading type of cancer causing death” for that age group, the report says.

The report included good news: It showed a 20% decline in cancer deaths overall among children and teens during the 15-year period.

“This latest news highlights the need for greater investment as well as new approaches to funding and conducting pediatric brain tumor research,” the National Brain Tumor Society said after the report.