If you get a positive test at the doctor, here's what to know before you panic
If you get a test for something at the doctor and it comes back positive, chances are you're going to be very anxious. Does that mean you have the disease? Maybe. But as Aaron Carroll explains below, this can be a misleading way to think.
The prevalence of the disease — that is, the number of people in the general population who have it — can sharply effect one's chances with such a test. One study of mammograms, for example, found that over 95 percent of people with a positive test for breast cancer did not actually have it.
That's only the first part of a complex topic, but it's really worth understanding. Check it out. Ryan Cooper
Subscribe to The Week
Escape your echo chamber. Get the facts behind the news, plus analysis from multiple perspectives.
Sign up for The Week's Free Newsletters
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
From our morning news briefing to a weekly Good News Newsletter, get the best of The Week delivered directly to your inbox.
Create an account with the same email registered to your subscription to unlock access.
Sign up for Today's Best Articles in your inbox
A free daily email with the biggest news stories of the day – and the best features from TheWeek.com
Ryan Cooper is a national correspondent at TheWeek.com. His work has appeared in the Washington Monthly, The New Republic, and the Washington Post.
-
Today's political cartoons - September 7, 2024
Cartoons Saturday's cartoons - football widows, meddling kids, and more
By The Week US Published
-
Smoking ban: the return of the nanny state?
Talking Point Starmer's plan to revive Sunak-era war on tobacco has struck an unsettling chord even with some non-smokers
By The Week UK Published
-
Crossword: September 7, 2024
The Week's daily crossword puzzle
By The Week Staff Published
-
Puffed rice and yoga: inside the collapsed tunnel where Indian workers await rescue
Speed Read Workers trapped in collapsed tunnel are suffering from dysentery and anxiety over their rescue
By Sorcha Bradley, The Week UK Published
-
More than 2,000 dead following massive earthquake in Morocco
Speed Read
By Justin Klawans Published
-
Mexico's next president will almost certainly be its 1st female president
Speed Read
By Peter Weber Published
-
North Korea's Kim to visit Putin in eastern Russia to discuss arms sales for Ukraine war, U.S. says
Speed Read
By Peter Weber Published
-
Gabon's military leader sworn in following coup in latest African uprising
Speed Read
By Justin Klawans Published
-
Nobody seems surprised Wagner's Prigozhin died under suspicious circumstances
Speed Read
By Peter Weber Published
-
Western mountain climbers allegedly left Pakistani porter to die on K2
Speed Read
By Justin Klawans Published
-
'Circular saw blades' divide controversial Rio Grande buoys installed by Texas governor
Speed Read
By Peter Weber Published