Complex sentence: A 2015 review found that ACT was better than placebo and typical treatment for anxiety disorders, depression, and addiction, and that it was as effective as traditional treatments like CBT for depression, anxiety disorders, addiction and somatic health problems.
Split into simpler sentences: A 2015 review found that ACT was better than placebo and typical treatment for anxiety disorders, depression, and addiction. That it was as effective as traditional treatments like CBT for depression, anxiety disorders, addiction and somatic health problems.