I can’t say I always enjoy cardiovascular exercise. I don’t think anyone does. Oh, I’ve seen those infomercials featuring models whose granite abs and manic smiles become even more sharply defined at the very sight of workout equipment. But as we all know, these people are from Neptune. Being an Earth-human myself, I strongly resist abandoning my customary torpor to participate in perky physical activity of any kind. Nevertheless, I do cardio pretty regularly. I do it because I know my heart was designed to handle such challenges, because once I get started, I feel that it’s doing me [...]









