Experts believe vitamins A, C, and E -- the so-called ACE antioxidants -- combat oxidative stress in the lungs that can lead to COPD.

CNN: Vitamin E may protect lungs

Medicines called ACE inhibitors are cornerstones of cardiology.

FORBES: Magazine Article

Already, scientists have found hints of another gene, called the ACE gene, in which people born with one version (the so-called D version) seem more likely to reach 100 years of age than those with a second version (called the I version).

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live