ST. LOUIS — St. Louis Rams defensive tackle Clifton Ryan returned to practice Friday, the latest step in recovering from migraine headaches that kept him out of two games.

ST. LOUIS — St. Louis Rams safety Craig Dahl is still feeling effects of a concussion.

Browns tight end Evan Moore has better understanding of head injury after concussion

BEREA, Ohio — Browns tight end Evan Moore thought he had survived a vicious hit. Then the stadium started spinning.

Cleveland Clinic teaming with Rawlings to research concussions and head injuries

Denver Broncos say there weren’t any signs that WR Kenny McKinley was suicidal

Spartans coach Mark Dantonio hospitalized after heart attack following dramatic win over Irish

Panthers QB Matt Moore practices following concussion, could play vs. Buccaneers

New book: White House party crasher Michaele Salahi says she has multiple sclerosis

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Iowa defensive coordinator Parker to miss Arizona game because of complications from diabetes

Iowa defensive coach to miss Arizona game

IOWA CITY, Iowa — Iowa safety Tyler Sash visited defensive coordinator Norm Parker in the hospital Monday, and all Parker wanted to talk about was football.

Researchers: Penn player who committed suicide had early stages of brain disease

Penn player who killed self had brain disease

NFL doctor says four concussions in one weekend bears close watching

NFL doc: Four concussions in Week 1 not a trend

With sleep apnea diagnosis, Percy Harvin believes his migraine problems are in the past

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Indiana St kicker Brett Sheldon inspires teammates, family by playing with birth defect

Birth defect doesn’t slow Indiana St kicker

First lady Michelle Obama visits French Quarter for NFL exercise clinic for children

BC LB Herzlich’s return from cancer complete as he takes field for Eagles

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

Canadian football player tests positive for HGH

Linebacker Wilson looking to stay clear of the doctor, live up to promise for Illini

LB Wilson looks to live up to promise for Illini

LB Mark Herzilich back on practice field for Boston College after cancer and foot injury

ER visits for concussions soar among young athletes; docs say never ‘tough out’ these injuries

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3 years after breaking back in accident, WR Artrell Woods still chasing football dreams

Former Jet Washington soaring for Seahawks 10 months after compound leg fracture

Leon Washington is back, thanks to Uncle George

Georgia Tech’s Cooper Taylor says he is stronger as he makes return from heart condition

Tech’s Taylor making comeback from heart condition

Vikings WR Sidney Rice has hip surgery, may miss first half of season; Walker signed for depth

Vikings WR Rice out with hip injury

EDEN PRAIRIE, Minn. — Brett Favre’s job just got a whole lot tougher.

While doctors await test results, practice begins for team struck by medical condition

Practice opens for team hit by medical condition

All but 3 hurt football players leaving Ore. hospital; doctors test for dietary supplements

3 hurt Oregon football players stay in hospital

3 Ore. high school football players undergo surgery, 16 treated for muscle damage after camp

19 Ore. football players treated for muscle injury

Despite heart surgery, Brian Vickers says he’s on track for 2011 return

Vickers: Had heart surgery for blood clots

Vikings’ Harvin out of hospital, ‘doing fine’ after migraine attack, but return unclear

Vikings’ Harvin out of hospital and ‘doing fine’

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

In Berlin, Semenya eager to forget gender tests

Vikings receiver Percy Harvin taken to hospital after apparent migraine attack at practice

Vikings’ Harvin has migraine attack at practice

Tai chi, Chinese ‘moving meditation,’ may ease painful joints of fibromyalgia, study finds

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Eli Manning feeling some discomfort, undergoing more tests, Saturday a question mark

Manning undergoing more tests, uncertain for game

After 2 weeks away for mourning and migraines, Percy Harvin is back at practice with Vikings

Percy Harvin returns to practice with Vikings

Seahawks’ Curry among 1st to be treated in new NFL era of dealing with head injuries

Seahawks’ Curry a test case in new concussion era

Mickelson has arthritis; sought treatment at Mayo Clinic for pain so intense he couldn’t walk

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Harvin absent again from Vikings, Childress confirms receiver has had ’some’ migraines

Childress confirms Harvin has had ’some’ migraines

USC CB T.J. Bryant has surgery on cheekbone after fight with teammate Stanley Havili

USC’s Bryant has surgery after scrap with teammate

Seahawks starting LB Aaron Curry remains out with concussion after jarring start to camp

Seahawks LB Curry remains out with concussion

S Kenny Phillips misses planned return on first day of Giants’ training camp.

Double heart transplant recipient Compton shares lead at Greenbrier Classic

Cookie monster: Jets’ Jenkins losing weight before training camp with unconventional diet

Jets’ Jenkins dropping weight while eating cookies

Just a poster, but another step forward in the NFL’s changed thinking on concussions

Poster latest show of NFL concussion reality

Former Browns center LeCharles Bentley sues team over career-ending staph infection

Former Browns center Bentley sues team over staph

For torn knee ligament, physical therapy might help athletes avoid surgery, study says

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More US pets receive high-tech medical care, and it sometimes leads to better care for humans

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.

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

WVU doctors who studied brain of Bengals’ Henry find evidence of chronic traumatic injury

Hamilton undergoing surgery to have benign brain tumor removed

William ‘Refrigerator’ Perry has some hearing loss but improving from immune system condition

‘Fridge’ has hearing loss, but condition improving

Calif. teen healthy, weary after rescue from crippled sailboat adrift 3 days in Indian Ocean

CA teen sailor healthy, weary after 3 days adrift

Parents say Calif. teen healthy after rescue from crippled sailboat adrift in Indian Ocean

Parents: Teen sailor healthy after 3 days adrift