What Was One Outcome of the Tougher 2006 Drug Testing

What was one outcome of the tougher 2006 drug testing policies in Major League Baseball?

A) As many as one-fourth of the players on some teams have been permanently banned from the league
B) Steroid use has increased further, because the players now cannot use amphetamines
C) Chewing tobacco use has increased
D) More players are diagnosed with ADHD perhaps so they can have therapeutic-use exemptions to take stimulant drugs