[forloop]

Yes. In 5000 or 50000 years there may be a problem with overpopulation—or not.

When someone expresses concern for overpopulation due to life extension, what time span are they referring to? 50000 years? Probably not. Looking at population growth for 100 years as per the model, the conclusion of the paper holds:

> Therefore, the real concerns should be placed not on the threat of catastrophic population consequences (overpopulation), but rather on such potential obstacles to the success of a biomedical war on aging, such as scientific, organizational, and financial limitations.