After a hearing before an arbitral body, trainer Jeffrey Poole has been hit with a 22-month suspension by the Horseracing Integrity and Welfare Unit (HIWU) after it was alleged that Poole possessed the banned substance Levothyroxine. He was also fined $10,000 and ordered to make a payment of $8,000 to cover arbitration costs. Poole did not have a horse test positive for the substance. Levothyroxine, commonly known by the trade name Thyro-L, is a synthetic version of the naturally-occurring hormone thyroxine. Thyroxine is produced by the thyroid and works with...