

John Tiwald
- Jul 26, 2017
- 5 min
111 NFL Brains. All But One Had CTE.
Dr. Ann McKee, a neuropathologist, has examined the brains of 202 deceased football players. A broad survey of her findings was published on
John Tiwald
- May 16, 2017
- 5 min
A Simple, Clear Message on the Sports-Brain Injury Controversy
The debate over CTE's existence, associations, and causes has sparked politics and cover-up, breakthrough research, and even a Will Smit
John Tiwald
- May 7, 2016
- 6 min
N.F.L. Shifts on Concussions, and Game May Never Be the Same
Excerpted from The New York Times | By Ken Belson and Alan Schwarz Perhaps no one will remember the setting, a hearing room for the House...
John Tiwald
- May 5, 2016
- 3 min
Concussion Doesn’t Slow Kids’ Return to Football
In the U.S., the youngest football players are more likely to return to play less than 24 hours after a concussion than their older peers, r


John Tiwald
- Apr 1, 2016
- 5 min
Ivy League Moves to Eliminate Tackling at Football Practices
Dartmouth football players practiced tackling with the team’s “mobile virtual player,” a device that simulates an opponent’s size and...

John Tiwald
- May 12, 2015
- 4 min
A Simple Flashcard Test to Detect Concussions
King-Devick Concussion Test Excerpted from The New York Times | Gretchen Reynolds March 11, 2015 An easy, two-minute vision test...


John Tiwald
- Jan 23, 2013
- 5 min
New Study Finds Brain Damage in Living Ex-NFL Players
by Steve Fainaru and Mark Fainaru-Wada | PBS Frontline | January 22, 2013 (Credit: UCLA) ESPN reporters Mark Fainaru-Wada and Steve...
John Tiwald
- Dec 22, 2012
- 4 min
Study Bolsters Link Between Routine Hits and Brain Disease
By Ken Belson | The New York Times | December 3, 2012 The growing evidence of a link between head trauma and long-term, degenerative...
John Tiwald
- Nov 14, 2012
- 5 min
Traumatic brain injury patients, supercomputer simulations studied to improve helmets
ALBUQUERQUE, N.M. — Researchers at Sandia National Laboratories and the University of New Mexico are comparing supercomputer simulations...


John Tiwald
- Oct 27, 2012
- 11 min
A Town’s Passion for Football, a Retired Doctor’s Concern
Dover High School players at a practice this month. The Green Wave, who are having a losing season, have been playing football for more...
John Tiwald
- Sep 24, 2012
- 3 min
“Head Games” Film Explores Perils of Sports Concussions
By Zorianna Kit | Reuters LOS ANGELES — When a concussion forced WWE’s Christopher Nowinski to retire in 2004, the professional wrestler...
John Tiwald
- May 16, 2012
- 3 min
Brain Injury Study: A Single Season of Hits May Harm College Athletes’ Ability to Learn
Catherine Pearson | Huffingtonpost.com Just a single season of contact sports can take a toll on college athletes’ ability to learn,...