Author: Aliaksandr Marozau

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M.D., PhD Candidate. Physician, medical editor, and digital health expert with over a decade of experience at the intersection of medicine, science journalism, and technologies. His work focuses on evidence-based medicine, AI and human–computer interaction, and translating complex technological topics into clear, accessible narratives.

We continue to explore the causes of aging in the body, known as the hallmarks of aging, and how humanity can already influence them today in an attempt to achieve rejuvenation. Earlier, we looked at the general concept of the hallmarks of aging, as well as what can already be done about aging-related causes connected with DNA damage, telomere shortening, and epigenetic alterations, and loss of protein quality control, mitochondrial dysfunction, and cellular senescence.

Aging had long appeared to be a slow wear and tear of everything at once. As we previously mentioned, it is increasingly described today as a set of specific malfunctions that can be measured and partly corrected in animal experiments. This article looks at what can already be done about aging associated with such hallmarks as protein quality control, mitochondrial function (the cell’s power plants), and the accumulation of senescent cells – those that have stopped dividing and functioning for the benefit of the organism yet continue to damage the surrounding environment. These processes reinforce one another.

Most age-related diseases — from cancer to neurodegeneration — connect back to one core problem: over time, cells get worse at storing their DNA safely and using it correctly. In the “Hallmarks of Aging” framework(which we discussed here), researchers highlight three aging processes that sit right on top of our genetic material: DNA damage, telomere shortening, and epigenetic drift, when the settings that control gene activity get noisy.

The word “rejuvenation” covers everything from cosmetics and supplements to lab work that tries to change how cells age — and, in turn, how age-related disease risk builds up. This article is a short guide to the science-backed version of that conversation: what geroscience is, what the Hallmarks of Aging are, and why investors are pouring billions into the space.

A few weeks ago, the world’s largest annual consumer electronics exhibition — the Consumer Electronics Show (CES) 2026 — came to an end. CES 2026 delivered a parade of ambitious consumer tech: AI companions, advanced driver assistance, home humanoids, and smarter devices for everyday life. It’s impressive, yet at times the demos feel like a polished version of ideas we’ve already seen in speculative fiction, with just enough “Black Mirror” energy to make you pause.

Health tech was one of the most visible themes at CES 2026 — from smart diagnostics to wearable neurostimulation and at-home monitoring. These tools promise earlier insights and more personalized care, yet conspicuously resemblant of Black Mirror episodes: they listen, track, and interpret our daily lives in ways that conflate health monitoring with constant surveillance.