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Старіти можна по-різному: MRI cross sections of upper legs, s | Бро

Старіти можна по-різному:

MRI cross sections of upper legs, showing the difference in muscle, intramuscular fat, and subcutaneous fat of a middle aged athlete, an elderly athlete, and an elderly sedentary person

https://i.redd.it/2fqbjf6l8wb91.jpg via reddit