Is Cardiac Ablation Advisable While Having Atrial Fibrillation?

i have atrial fibrilation and have had it since 1996, i also had a heart attack 3 years ago, a stent put in and am on meds for both heart issues and high blood pressure. my question surrounds the afib, why isnt an ablation reccomended since my Dr. whom I had for almost 20 years, retired before my heart attack and told me that as I age my afib attacks will most likely increase and they have. I have heard about heart ablation, yet it has not been reccomended by my cardioligist, and I know the chances of another heart attack or stroke are eminent. I am not over weight, don t smoke, use little salt, eat well, in other words i am basically healthy and 62 years old, thanks for any help you can give, it is appreciated.