text: Cardiac hypertrophy, structural remodeling, and expression of the genes associated with fatty acid metabolism were examined in rats treated with triiodothyronine (T3) alone (8 μg/100 g body weight (BW), i.p.) for 15 days or along with a << peroxisome proliferator-activated receptor alpha >> agonist [[ bezafibrate ]] (Bzf; 30 μg/100 g BW, oral) and were found to improve in the Bzf co-treated condition.