NFL enforces player safety rules, suspends Brandon Meriweather

Tuesday's health and safety news from the world of football:

• NFL.com detailed how the league showed again that it is serious about player safety rules, suspending Washington Redskins safety Brandon Meriweather two games for an illegal hit to the head of Baltimore Ravens wide receiver Torrey Smith.

• PhysOrg wrote that genetic research from the Arizona State football team will be used to advance concussion detection and research.

• USA Today featured former Tennessee Titans linebacker Tim Shaw, who is using the Ice Bucket Challenge to raise awareness of his ALS diagnosis.

• the King-Devick Test, which helps to detect concussion by reading a series of numbers or patterns on three index cards.

• Yahoo Sports reported on a concussion test from University of Michigan researchers that feels like "an octopus giving your head a hug."

• WFLD-TV in Chicago looked at area teams that are using helmet sensors to detect concussions.

• KTAR-FM news talked to a representative from the Barrows Institute about a recent report that says children take longer to recover from concussions than adults.

• Helio published what it called the Top-10 items to read about concussions related to football players.

• WDBJ-TV reported on the football concussion issues in Roanoke, Virginia.

• The Northwest Times of Indiana looked at the conflict between a new study and the Virginia Tech STAR helmet-rating system.

• Live Science reported on the FDA announcement that no dietary supplement treats concussions.

-- Bill Bradley, contributing editor