Bringing offspring into the world is much more stressful for salmons compared to humans, even if the two species secrete the same stress hormone, cortisol. Unlike humans, salmon fish age soon after spawning. They undergo a massive hypertrophy of the interrenal gland. Because of this, they secrete massive amounts of corticosteroids. They usually die…… Continue reading Cortisol – the aging hormone
Tag: accelerated senescence
Why do some species escape senescence? part II
During the previous post I mentioned dormancy as one of the strategies some species display to escape senescence. Are there any more common patterns? What do these individuals do differently from us? Can we learn something from them, even apply some of their wisdom to escape senescence too? During the periods when species undergo depressed…… Continue reading Why do some species escape senescence? part II