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  • About

  • Blog
    • Neural chemistry
    • Hormones and signaling
    • Energy metabolism
    • Recovery and repair
  • About
Portrait of Lena Voss

Lena Voss

Endocrinologist

Writes about cortisol, insulin, and thyroid hormone as timing signals, not as personality types.


Shivering and sympathetic activation in the first minutes of cold
Hormones and signaling

Mar 19, 2026

Cold hits the nerves first and the thyroid later

A late plate of food landing after the evening insulin window has narrowed
Energy metabolism

Feb 19, 2026

A late meal and the next morning's insulin

A hand resting on a forearm, the scale of touch this piece means
Neural chemistry

Feb 5, 2026

Light affection and the oxytocin pulse

A morning glucose curve sitting higher after a short night than after a full one
Hormones and signaling

Jan 8, 2026

How a short night changes the next morning's glucose

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