Comment on

• A randomized controlled trial of positive-affect induction to promote physical activity after percutaneous coronary intervention.

  Peterson JC, Charlson ME, Hoffman Z, Wells MT, Wong SC, Hollenberg JP, Jobe JB, Boschert KA, Isen AM, Allegrante JP. Peterson JC, et al. Arch Intern Med. 2012 Feb 27;172(4):329-36. doi: 10.1001/archinternmed.2011.1311. Epub 2012 Jan 23. Arch Intern Med. 2012. PMID: 22269589 Free PMC article.
• Impact of carotid plaque screening on smoking cessation and other cardiovascular risk factors: a randomized controlled trial.

  Rodondi N, Collet TH, Nanchen D, Locatelli I, Depairon M, Aujesky D, Bovet P, Cornuz J. Rodondi N, et al. Arch Intern Med. 2012 Feb 27;172(4):344-52. doi: 10.1001/archinternmed.2011.1326. Epub 2012 Jan 23. Arch Intern Med. 2012. PMID: 22269590 Clinical Trial.
• A randomized controlled trial of positive-affect intervention and medication adherence in hypertensive African Americans.

  Ogedegbe GO, Boutin-Foster C, Wells MT, Allegrante JP, Isen AM, Jobe JB, Charlson ME. Ogedegbe GO, et al. Arch Intern Med. 2012 Feb 27;172(4):322-6. doi: 10.1001/archinternmed.2011.1307. Epub 2012 Jan 23. Arch Intern Med. 2012. PMID: 22269592 Free PMC article. Clinical Trial.
• Increasing physical activity in patients with asthma through positive affect and self-affirmation: a randomized trial.

  Mancuso CA, Choi TN, Westermann H, Wenderoth S, Hollenberg JP, Wells MT, Isen AM, Jobe JB, Allegrante JP, Charlson ME. Mancuso CA, et al. Arch Intern Med. 2012 Feb 27;172(4):337-43. doi: 10.1001/archinternmed.2011.1316. Epub 2012 Jan 23. Arch Intern Med. 2012. PMID: 22269593 Free PMC article.