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How do exosomes affect aging? Exploring their dual role as biological messengers

According to a study on aging and exosomes published in March 2025, exosomes from older individuals contain more inflammation-related proteins and fewer antioxidants than those from younger people. This highlights the complex and often dual-natured role of these microscopic vesicles in influencing the aging process, raising the question: **How do exosomes affect aging?** These tiny messengers can either promote rejuvenation or contribute to age-related decline, depending on their source and cargo.