LOS ANGELES — In a Sept. 22 story about a mammogram study, The Associated Press reported erroneously that researchers found that women over 50 who had mammograms had a 10 percent lower risk of death from breast cancer and that a third of that reduction was due to mammography.

Scandal on Canadian football team produces first positive HGH test in North America

Canadian football player tests positive for HGH

More information on gender testing needed to combat intolerable ignorance about Caster Semenya

Silence on Semenya opens door to ignorance

Caster Semenya eager to put gender tests behind her, concentrate on 2012 Olympics

In Berlin, Semenya eager to forget gender tests

Get on the bus: Goodell talks Favre, 18-game schedule, CBA, HGH test on Madden Cruiser

‘You see that report?’: Goodell, Madden tour camps

Major League Baseball begins random blood testing for human growth hormone in minor leagues

MLB begins testing for HGH in minor leagues

Columbia University halts some research at brain-imaging center after FDA complaints

FDA cites quality problems at NY brain-imaging lab

Coach says Semenya still long way from top form on eve of return at Lappeenranta Games

Coach says Semenya still long way from top form

New blood test could be game-changer in finding HGH, but will baseball and football play along

New HGH blood test could hurt urine test research

Semenya’s coach says 800m champ will make Europe comeback, won’t compete at world juniors

Coach: Semenya targeting European return

JOHANNESBURG — Caster Semenya will make her comeback at a European meet but is not fit enough to compete at the world junior championships in Canada, the 800-meter world champion’s coach said Wednesday.

Colon cancer testing continues to increase, but breast screening has plateaued, CDC says

Caster Semenya cleared to return immediately by track authorities and compete as a woman

World champ Semenya cleared to return to track

800-meter champ Caster Semenya cleared to return to track immediately by sport’s ruling body

Semenya cleared to return to track immediately

APNewsBreak: Caster Semenya’s father says sidelined world champion will be cleared

Father: Caster Semenya says she will be cleared

When are those hot flashes coming? Scientists propose test that could predict menopause

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CT scans pose risks, need more regulation to prevent overuse and radiation harm, experts urge

FDA fines Red Cross $16M for ongoing violations of blood screening rules

FDA fines Red Cross for sloppy blood screening

FDA cites 5 companies for marketing unapproved personal genetic tests

FDA takes issue with genetic tests from 5 firms

Runner Caster Semenya to hold news conference Thursday on gender verification dispute

Semenya to discuss outcome of gender dispute

Overtreated: Many back pain sufferers may benefit more from time than rising spine operations

OVERTREATED: Many back pain sufferers may benefit more from time than spine operations

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Congressional report: CDC used bad data to evaluate lead levels in DC water in 2004

Report: CDC used bad data to judge DC water safety

Ovarian cancer screening method shows promise in study; bigger one will see if it saves lives

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New Mexico medical officials concerned after mistakes made during glucose testing

Blood sugar test goes bad at New Mexico event

Walgreen says won’t stock genetic test kits pending talks between the FDA and manufacturer

Walgreen to hold off selling genetic test kits

Study backs advice against mammograms before 40: Lots of repeat tests, few cancers found

Study: 5-minute colon cancer test could cut the number of UK cases by one-third, experts say

Study: A 5-minute colon cancer test could cut the number of cases by one third, experts say

South African President Zuma says his fourth HIV test is negative; encourages HIV testing

South African president says he is HIV-negative

Bud Selig: Major League Baseball’s science adviser examining HGH test

Selig: MLB’s science adviser examining HGH test

Lung cancer screening can lead to a lot of false alarms, unnecessary biopsies, study suggests

Caster Semenya’s lawyers say her gender test results say she can compete as a woman

Semenya’s lawyers say tests prove she can compete

Semenya to return to racing June 24 in Spain; world champion will wait for gender test results

Caster Semenya plans to race June 24 in Spain

After threat of legal action, ASA says Semenya could race if she talks ‘to the right people’

ASA: Semenya should ‘talk to the right people’

Semenya announces return to competitive running despite being denied a spot at SAfrican meet

Semenya announces return to competitive running

IAAF asks Athletics South Africa to keep Semenya off track until gender test results known

IAAF asks ASA to keep Semenya from competing

To screen or not to screen? Experts weigh merits of breast cancer screening vs. overtreatment

Experts debate merits of breast cancer screening

South Africans to hand out 2.5 billion condoms during world’s largest HIV testing campaign

Workers to give out 2.5 billion condoms in SAfrica

Retired doctors to help implement world’s largest HIV testing campaign in South Africa

Retired doctors to help test for HIV in SAfrica

Floyd Mayweather Jr., Shane Mosley hope to set new standard for drug testing in boxing

Mayweather, Mosley embrace Olympic-style drug test

Study suggests too many low-risk patients given invasive heart tests, docs need better methods

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Co-anchor Harry Smith’s colonoscopy to air live on Wednesday’s ‘The Early Show’

New advice on prostate cancer screening stresses talking about pros, cons before deciding

New American Cancer Society guidance urges docs to explain limits of prostate cancer screening

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NFL hopes to test for human growth hormone; Major League Baseball talks with union

NFL hopes to test for HGH; MLB talks with union

Major League Baseball hopes to test minor league players for human growth hormone

MLB hopes to test minor leaguers for HGH

NEW YORK — Major League Baseball hopes to test minor leaguers for human growth hormone this year following the suspension of a British rugby player who admitted using the substance.