Physiology


Shrews shrink in winter and regrow in spring
The tiny mammals reduce the size of their organs in the winter and can even decrease and rebuild bones more
Gut bacteria affect ageing
The life expectancy of older fish is extended if their gut is colonized with the microorganisms of younger fish. more
Oestrogen receptor causes weight loss in male mice
The receptor increases energy consumption by muscle cells and prompts weight loss more
In mice, dietary restrictions can lead to changes in lipid metabolism, thus increasing the animals' lifespans more
Sphingosine inhibits the enzyme GBA2, thereby regulating the degradation of lipid-sugar compounds in cells more
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