Scientific vs. anecdotal evidence (Lexington Herald-Leader)

LOUISVILLE . Bulging muscles, seemingly inflatable heads, acne in places that would make a teenager blush, a spike in athletic performance sure to raise eyebrows. The signs of steroid use in humans can sometimes be easy to detect even without a blood test. In 1,200-pound animals, the indications aren't so clear. Though Hall of Fame trainer Jack Van Berg compared horse training to ...