Could living at higher altitudes prolong life spans?

Scientists at Harvard Medical School wanted to know why humans living at higher altitudes tend to live longer than those who live near sea level.

Related Keywords

Albuquerque ,New Mexico ,United States ,Denver ,Colorado ,Vamsi Mootha ,Mount Everest ,Robert Rogers ,Harvard Medical School ,Scientists At Harvard Medical School ,National Institutes Of Health ,Medical School ,National Institutes ,