Do the 2 sentences following have the same meaning, and why?
And please point the mistakes out in the 2 sentences if there are some.

Although the consumption of no particular foods has been proved to reverse hardening of the arteries, studies indicate that to refrain from eating certain foods could help reverse blockage of coronary arteries, the blood vessels that feed the heart.

Although it has not been proved that the consumption of any particular food will reverse hardening of the arteries, studies indicate that refraining from eating certain foods could help reverse blockage of coronary arteries, the blood vessels that feed the heart.

Thanks a million times.