Wednesday's health and safety news from the world of football:
- NFL.com reported that wide receivers Wes Welker of the Denver Broncos and Percy Harvin of the Seattle Seahawks shrugged off concussion concerns during Super Bowl Media Day. Both players missed extended periods of time this season because of head injuries.
Also, the New York Daily News reported that Welker told former New England Patriots teammate Randy Moss of Fox Sports he would play in the Super Bowl with another concussion.
- Another study linked altitude and concussions: ESPN published the Journal of Orthopaedic and Sports Physical Therapy's report on concussions from the first 16 weeks of the 2012 and 2013 NFL seasons, and found that the number of reported concussions was 32 percent lower in games played at higher elevations.
- Denver Broncos wide receiver Demaryius Thomas said he was inspired by his jailed mom and his grandmother, according to Agence Presse-France.
- Running back Jamaal Charles told KCSP-AM in Kansas City that he doesn't think he had a concussion when he was pulled from the Chiefs' playoff loss at Indianapolis earlier this month.
- The Associated Press reported that Miami Dolphins owner Stephen Ross said he expects the findings of the investigation of the saga involving teammates Jonathan Martin and Richie Incognito to be released soon.
- Jaguars.com reported that Jacksonville general manager David Caldwell and San Diego Chargers GM Tom Telesco were honored by a New York state senator.
- The Business Journals published an opinion piece that said the NCAA, not the NFL, is the key to the concussion issue.
- Noozhawk in Santa Barbara, Calif., profiled the UC Santa Barbara researcher who received a grant from the NFL/GE Head Health Challenge.
- WBUR-FM in Boston looked at a group trying to create the National Robotics League for football to try to avoid injuries to humans.
-- Bill Bradley, contributing editor