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    Shohei Ohtani’s ex-interpreter to plead guilty to federal charges

    00:24
  • Barron Trump to serve as Florida delegate at RNC

    00:26
  • Cyberattack disrupts Ascension health care network

    00:25
  • Body of 6th worker killed in Baltimore bridge collapse recovered

    00:28
  • Boy Scouts organization to change its name to Scouting America

    00:22
  • Watch: Sparks fly as FedEx plane lands without front landing gear

    00:22
  • Al Capone’s Colt .45 caliber pistol ‘Sweetheart’ goes up for auction

    00:22
  • Some Planters nuts recalled over possible listeria contamination

    00:27
  • Both sides of I-95 reopen four days after fiery tanker crash

    00:34
  • Harvey Weinstein’s rape conviction overturned in New York court

    00:29
  • Florida residents warned not to touch Tussock moth caterpillars

    00:33
  • Mountains of trash surround LA home, neighbors complain of smell

    00:34
  • Yearly college costs at top private schools surpass $90,000

    00:32
  • First underwater images of collapsed Baltimore bridge released

    00:37
  • Proposed California bill would let workers ignore boss after-hours

    00:44
  • Watch: Hiker hanging from rock is rescued after falling off trail

    00:32
  • Powerball jackpot crosses $1B mark to be 4th largest in history

    00:26
  • FDA issues highest-level alert for heart pump linked to 49 deaths

    00:30
  • Men who attacked NYPD officers released without bail

    00:37
  • FBI director: US cannot ‘sleep’ on Chinese cyberattack danger

    00:28

What human growth hormone (HGH) is, and how it’s used legitimately

02:34

This week's bombshell allegations against Peyton Manning have a lot of people talking about human growth hormone. The star NFL quarterback denies taking the drug and calls the allegations against him “complete trash.”  HGH is banned by the NFL and is tightly controlled by the FDA. NBC’s Stephanie Gosk reports for TODAY.