Time.com
MY ACCOUNT
SIGN IN
SIGN OUT
SUBSCRIBE
SUBSCRIBE
Home
U.S.
Politics
World
Business
Tech
Health
TIME Health
Motto
Entertainment
Science
Newsfeed
Living
Sports
History
The TIME Vault
Magazine
Ideas
TIME Labs
Money
LIFE
The Daily Cut
Photography
Videos
The Goods
Shop TIME
Press Room
TIME Guide to Happiness
The 100 Most Influential People
American Voices
Finding Home
The Influencers
Looking Forward
Next Generation Leaders
Person of the Year
Top of the World
Subscribe
Newsletters
Feedback
Privacy Policy
Your California Privacy Rights
Terms of Use
Ad Choices
RSS
TIME Apps
TIME for Kids
Advertising
Reprints and Permissions
Site Map
Help
Customer Service
© 2018 Time Inc. All rights reserved.
Subscribe
Sign In
Subscribe
TIME Explains: Cancer Screenings
Email
Facebook
Twitter
TIME's Alice Park explains how new cancer screening recommendations effect you
More Video
Most Popular in Past 24 Hours
Video by Topic
SEARCH TIME VIDEOS
Popular Topics
U.S.
World
Science
Politics
Sports
Movies
Music
Animals
Person of the Year
Energy & Environment
Video Series
10 Questions
Techland
Game Changers
Q&A Interviews
TIME 100
TIME Essays
A Free Lesson With
Joel Stein
Animation
NewsFeed
See All Video Topics »
