One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

June 29, 2026 Fish oil supplements successfully delivered omega-3s to the brain, but a two-year study found no meaningful benefits for memory, cognition, or Alzheimer’s-related brain changes. The ...

Parasocial relationships refer to one-sided relationships in which a person develops a strong sense of connection, intimacy, or familiarity with someone they don’t know, most often celebrities or ...

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