Medical experts are clearing up common misunderstandings about human hormones, emphasizing that many popular beliefs lack scientific backing.
One widespread myth is that hormones are only a female concern.
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Dr. Saira Hameed, a consultant endocrinologist at Imperial College Healthcare NHS Trust, points out that both men and women have the same hormones; differences lie in levels of testosterone and estrogen, not in gender-specific presence.
Regarding puberty, experts clarify that hormone production starts well before adolescence.
Sasha Howard, a clinical reader at Queen Mary, University of London, explains that a phase called "mini-puberty" occurs between two and six months of age, preparing reproductive organs for adult fertility.
The belief that testosterone causes aggression is also addressed. Professor Channa Jayasena notes that when used medically to treat deficiencies, the hormone is safe.
Aggression typically results from misuse, such as taking anabolic steroids at doses far exceeding natural levels.
Cortisol is often labeled a "bad" hormone, but Dr. Hameed explains that short-term elevation—known as the "cortisol edge"—can be beneficial for alertness and clear thinking during stressful events.
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Chronic high levels are problematic, but the hormone itself is not inherently harmful.
Common concerns about menopause are also scrutinized.
Dr. Gillian Goddard states that while genetics influence menopause timing, a mother's experience does not necessarily predict her daughter's.
The idea that hormone replacement therapy (HRT) is universally dangerous is another myth. Modern body-identical HRT is considered safe for many individuals.
Finally, experts dismiss the concept of "balancing" hormones through supplements. The body maintains its own homeostasis through internal checks.
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Dr. Goddard highlights little evidence that over-the-counter hormonal balance products provide significant health benefits.
