Health

Explore health research, nutrition, sleep, exercise, aging and everyday wellness topics with practical explanations and science-focused coverage.

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Articles & explainers

1,416 published items in this category and its subcategories.

How Do Clinical Trials Work?
Health

How Do Clinical Trials Work?

Clinical trials are prospective studies in which people take part so researchers can evaluate interventions, prevention strategies, diagnostics or other health-related a…

September 11, 2026
What's New in Medical Research?
Health

What's New in Medical Research?

Medical research changes continuously, so a page about what is new needs a clear time horizon. This overview reflects publicly reported research developments available i…

September 11, 2026
What Is Biological Age?
Health

What Is Biological Age?

Biological age is a research concept that uses measurable features of the body to estimate how aging-related biological changes compare with what is typical for a person…

September 11, 2026
What Is Cellular Senescence?
Health

What Is Cellular Senescence?

Cellular senescence is a durable state in which a cell stops dividing in response to stress or damage while remaining metabolically active and often changing the signals…

September 11, 2026
What Is Healthspan?
Health

What Is Healthspan?

Healthspan describes the period of life spent in good health and with meaningful function, a concept that is related to but different from lifespan.

September 10, 2026