research Segmental Hair Analysis - A Retrospective Testosterone Diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
Search
for
Sort by
Research
120-150 / 1000+ results 
research Effect of High Levels of Testosterone on Cardiovascular Risk in Polycystic Ovary Syndrome
High testosterone increases heart disease risk in women with PCOS.
research Short- and Long-Term Clinical Skin Effects of Testosterone Treatment in Trans Men
Testosterone treatment in trans men increases body and facial hair and may lead to hair loss over time, but severe skin issues are rare.
research Safety of Testosterone Treatment in Postmenopausal Women
Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.
research The Effect of Finasteride, a 5 Alpha-Reductase Inhibitor, on Scalp Skin Testosterone and Dihydrotestosterone Concentrations in Patients with Male Pattern Baldness
Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
research Effect of 5α-Dihydrotestosterone and Testosterone on Apoptosis in Human Dermal Papilla Cells
High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
research Testosterone Is a Contraceptive and Should Not Be Used in Men Who Desire Fertility
Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
research Hair Regenerative Mechanisms of Red Ginseng Oil and Its Major Components in the Testosterone-Induced Delay of Anagen Entry in C57BL/6 Mice
Red ginseng oil and its components help promote hair regrowth and could treat hair loss.
research Inhibition of Hair Growth by Testosterone in the Presence of Dermal Papilla Cells from the Frontal Bald Scalp of the Postpubertal Stumptailed Macaque
Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
research Negative Impact of Testosterone Deficiency and 5α-Reductase Inhibitors Therapy on Metabolic and Sexual Function in Men
Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
research Fluoride Exposure and Pubertal Development in Children Living in Mexico City
Higher fluoride levels may delay puberty in boys.
research Physiopathological Role of the Enzymatic Complex 5α-Reductase and 3α/β-Hydroxysteroid Oxidoreductase in the Generation of Progesterone and Testosterone Neuroactive Metabolites
The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
research Pharmacokinetics of a Transdermal Testosterone Cream in Healthy Postmenopausal Women
A 5 mg dose of transdermal testosterone cream effectively restores testosterone levels in postmenopausal women.
research The Optimal Indication for Testosterone Replacement Therapy in Late-Onset Hypogonadism
Testosterone replacement therapy should be used for men with low testosterone levels and symptoms of hypogonadism, after careful diagnosis and considering individual needs.
research Photostability and Toxicity of Finasteride, Diclofenac, and Naproxen Under Simulated Sunlight Exposure: Evaluation of the Toxicity Trend and Packaging Photoprotection
Sunlight exposure increases drug toxicity; amber glass best for protection.
research Hair Regenerative Effect of Silk Fibroin Hydrogel with Incorporation of FGF-2-Liposome and Its Potential Mechanism in Mice with Testosterone-Induced Alopecia Areata
The silk fibroin hydrogel with FGF-2-liposome can potentially treat hair loss in mice.
research Beyond Testosterone Cypionate: Evidence Behind the Use of Nandrolone in Male Health and Wellness
Nandrolone might increase muscle mass with fewer side effects than testosterone but could cause erectile dysfunction and needs more research.
research Steady-State Pharmacokinetics of Oral Testosterone Undecanoate with Concomitant Inhibition of 5α-Reductase by Finasteride
Finasteride doesn't affect oral testosterone undecanoate, and high DHT levels may cause acne, prostate issues, and hair loss.
research Human-Derived Immortalized Dermal Papilla Cells With Constant Expression of Androgen Receptor
Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.
research Persistent Poor Metabolic Profile in Postmenopausal Women With Ovarian Hyperandrogenism After Testosterone Level Normalization
Postmenopausal women with hyperandrogenism didn't have better metabolic health even after their testosterone levels became normal.
research Effects of In Utero Exposure to D-004, a Lipid Extract from Roystonea Regia Fruits, in the Male Rat: A Comparison with Finasteride
D-004 may be a natural alternative to finasteride for treating enlarged prostate and male baldness.
research The Great Atopic Diseases Epidemic: Does Chemical Exposure Play a Role?
Chemical exposure may contribute to the rise in atopic diseases and needs more research.
research Pharmacokinetics of Modified Slow-Release Oral Testosterone Over 9 Days in Normal Men With Experimental Hypogonadism
The new oral testosterone pill normalized testosterone levels and lowered SHBG in men with low testosterone.
research Effects of Testosterone on the Expression of Connexin 26 and Connexin 43 in the Uterus of Rats During Early Pregnancy
Testosterone changes important cell communication proteins in pregnant rats' uteruses, which might affect pregnancy success.
research The Use of Testosterone After Menopause
Testosterone therapy can improve sexual satisfaction and mood in surgically menopausal women when used with estrogen, but its long-term safety and effects on naturally menopausal and premenopausal women are unclear.
research Impact of Testosterone on Hair and Skin
Testosterone can cause acne and male-pattern baldness, affects hair growth in men and women, and makes male skin more sensitive.
research Exogenous Testosterone, Finasteride, and Castration Effects on Testosterone, Insulin, Zinc, and Chromium in Adult Male Rats
Testosterone and finasteride raise insulin and zinc, lower chromium in male rats.
research Effect of Cosmetic Hair Treatment and Natural Hair Color on Hair Testosterone Concentrations
Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
research Segmental Hair Analysis as a Retrospective Testosterone Diary: Possibilities and Pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research COVID-19 and Androgenic Status: Do Testosterone or Dihydrotestosterone Have a Pivotal Role?
Higher dihydrotestosterone may be linked to more inflammation in COVID-19 patients with low testosterone.