Six months later, Rigel located a missing hiker in the Adirondacks—a woman with a broken ankle who’d crawled under a rock ledge. He tracked her by scent for two miles, then lay down beside her and refused to move until help arrived. His handler reported that he worked with eerie, silent focus, ignoring the flash of headlamps, the flicker of firelight, the thousand moving patterns of the forest at night.
“See?” Mark whispered, exhausted. “He’s been doing that for three hours straight.” Six months later, Rigel located a missing hiker
: Chronic stress activates the central threat response system (CTRS), which can lead to "allostatic overload," weakening the immune system and predisposing animals to illness. Six months later