Explore the journal
How hormones like testosterone, estrogen, cortisol, and thyroid impact aging—and what you can do about it.
Perimenopause is often described as a reproductive transition, which is true but incomplete. Oestrogen and progesterone fluctuations also touch sleep, appetite, fat distribution, muscle, liver metabolism, and insulin…
Read the articleAMH reflects ovarian reserve, but one blood test cannot date menopause. What anti-Müllerian hormone can tell you, and where marketing overreaches.
Read the articleFSH can help in early or unclear menopause, but one result rarely settles the question. Symptoms, cycle changes, age, and context still matter most.
Read the articleSHBG is one of those hormone markers that looks more decisive than it is. It can sharpen the meaning of a testosterone result, especially in midlife, but it…
Read the articleTestosterone therapy has become a midlife shorthand for energy, muscle, sex drive, and masculine decline. The biology is more specific. Testosterone matters for the brain, blood, bone, muscle,…
Read the articleMenopause brain fog is easy to minimise until it happens to you. A name vanishes mid-sentence. A familiar task takes longer. The brain feels less quick, less orderly,…
Read the articleBiotin can distort some thyroid blood tests, especially at high supplement doses. Here is what to tell your clinician before interpreting results.
Read the articleDHEA is sold as a way to restore youth, energy, libido, and hormonal balance after menopause. The biology is more modest. DHEA is a hormone precursor, not a…
Read the articleDHEA falls with age and can shift sex-hormone levels, but evidence for ageing, cognition, libido, and energy claims remains limited; safety matters.
Read the articlePerimenopause can disrupt sleep, mood, and cycles years before the final period, but symptoms vary widely and testing has limits. Context matters.
Read the articleFind a little clarity
