Signals

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"An utterly fascinating guide to who you are and how youwork. Saira Hameed reveals the endocrine system, and places it at the center ofself-knowledge; a system of control, but also a set of signals we can learn tointerpret." —Chris van Tulleken, author of Ultra-Processed People In the tradition of Atul Gawande and Henry Marsh, aphysician writer's expert examination of the extraordinary power of hormonesand the miraculous story of the life force signals that make us. Hormones write life's masterplan - building a new humanbeing in utero, transforming a helpless newborn into a sturdy toddler, ignitingthe firestorm of puberty, conjuring the alchemy of fertilization and directingthe transition into menopause and beyond. And all the while, day-to-day, minute-by-minute, hormonescontrol our mood and stress levels, how hungry we feel and how much we weigh,changes in libido and blood sugar, the circadian rhythm of our energy balanceand