Featured articles
Selected for what truly matters.
ArticleAshwagandha and cortisol reduction: what the scientific evidence really says
Cortisol is not an enemy to be defeated: it is a regulator. The evidence on ashwagandha suggests possible reductions in…
ArticleMetabolic adaptations during dieting: what really changes in the body (and what doesn't)
During a diet, the body does not “shut down”: it reorganizes itself. Metabolic adaptations are a predictable response…
ArticleHormones and libido: what really regulates desire (and when it is a biological signal)
Libido is not a hormonal switch: it is an output of the nervous system, energy status, and biological safety. Hormones…
ArticleSerotonin and emotional stability: what it really regulates (and what is often misunderstood)
Emotional stability does not depend on “more serotonin.” It depends on how the regulatory systems—brain, gut, sleep,…
ArticleDopamine and motivation: what really regulates the drive to act (and why it’s not just “desire”)
Dopamine is not the “happiness molecule”: it is a signal that directs attention, choice, and willingness to exert…
ArticleHigh cortisol and abdominal fat accumulation: what is causal, what is correlated, what is modifiable
Cortisol is often treated as the sole culprit behind abdominal fat. In reality, it is a regulator: it can facilitate…
ArticleThe role of estrogens in men
In men, estrogens are not a production error, but a necessary part of regulation: the skeleton, metabolism, sexuality,…
ArticleHormones and sleep quality: the physiology that determines whether you really sleep
Sleep quality does not depend only on “relaxing”: it is an endocrine negotiation between circadian rhythm, stress,…
ArticleHow to improve insulin sensitivity: physiology, signals, and sustainable levers
Insulin sensitivity is not a “value to optimize,” but a dynamic property of tissues: muscle, liver, and adipose tissue.…
ArticleHormonal imbalances and weight gain: what is really happening in the body
The idea that “hormones make you gain weight” is too simplistic. Hormones are neither an excuse nor a destiny: they are…
ArticleThyroid and energy metabolism: how thyroid hormones regulate consumption, heat, and energy availability
The thyroid is not a “metabolism switch,” but a regulator of energy pace: how much oxygen we consume, how much heat we…
ArticleLeptin and hunger control: why the satiety signal can fail
Leptin is not a hunger switch: it is a signal of energy availability that the brain integrates with stress, sleep,…