t. unlike creams and rubs that mask the pain, thermacare has patented heat cells that penetrate deep to increase circulation and accelerate healing. let's review: heat, plus relief, plus healing, equals thermacare. the proof that it heals is you. jack's heart attack didn't come with a warning. today, his doctor has him on a bayer aspirin regimen to help reduce the risk of another one. if you've had a heart attack be sure to talk to your doctor before your begin an aspirin regimen. ...and the wolf was huffing and puffing... kind of like you sometimes, grandpa.