Hormones such as estrogen and thyroid hormone are chemical messengers that regulate growth, metabolism, reproduction and many other essential functions through the endocrine system.
—
Brad Reisfeld,
The Conversation,
6 July 2026
The body uses omega-3s as building blocks and chemical messengers that help reduce inflammation, among other benefits.
The world looked to the social elite as the ultimate harbingers of style trends and sophistication, giving them a cultural cache and, in turn, a sense of power.
—
Moises Mendez II,
InStyle,
29 June 2026
If canaries in coal mines were harbingers of safe conditions, surely piping plovers at Waukegan Beach mean the city is overcoming its polluted past.
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