Sexual
Peter Attia on hormone therapy, testosterone and toxins
Optispan's doctors fact-check Peter Attia's rapid-fire on hormone therapy, testosterone, seed oils and microplastics.
Testosterone: who actually needs TRT and what the data show
A placebo controlled study and the TRAVERSE trial reframe testosterone therapy: who genuinely benefits and what the heart, prostate and fertility data say.
Hormone biomarkers every woman should track by age
Which hormone biomarkers to check by decade, and how they connect to PCOS, birth control, and perimenopause brain health.
Male fertility testing: what semen analysis reveals
A urologist and a reproductive endocrinologist explain what semen analysis reveals and how lifestyle shapes male fertility and sperm health.
Menopause isn't an event, it's a decades-long life stage
An OB-GYN explains why perimenopause starts earlier than most women think, and why hot flashes deserve more attention.
The first 1,000 days: the golden window for health
From preconception to age two, the first 1,000 days shape lifelong health. Learn why this window matters and how to act on it.
How to optimize male hormones according to science
Dr. Kyle Gillette explains the pillars of male hormonal optimization: lab work, evidence-based supplements, testosterone therapy, and lifestyle.
What your fertility reveals about your overall health
A fertility doctor explains why your menstrual cycle and sperm are vital signs, how inflammation drives problems, and what lifestyle changes move the needle.
Hormone therapy: 10 key questions answered by experts
Dr. Mark Hyman and Dr. Cynthia Geyer answer the 10 most common questions about HRT: safety, cancer risk, timing, formulations, and who should avoid it.
What every woman needs to know about hormone therapy
Dr. Sharon Malone breaks down hormone therapy myths, explains when to start, how to choose the right formulation, and what the evidence shows about its risks.
How microplastics and endocrine disruptors affect your health
Microplastics accumulate in human tissue and carry endocrine-disrupting chemicals. Here is what the science says and what you can do to reduce your exposure.
Creatine and exertional compartment syndrome: clinical evidence
Can creatine cause chronic exertional compartment syndrome? We break down the evidence, risk factors, and when to seek a medical evaluation.
Low testosterone: real causes and how to reverse them
Body composition, sleep, and energy availability are the main modifiable factors behind testosterone levels in men, not aging.
How to correctly interpret your testosterone test
A low testosterone value is not a diagnosis. Learn what the lab actually measures, the three symptoms that genuinely correlate with it, and what a proper clinical evaluation looks like.
Testosterone decline myths and what labs actually show
Why the testosterone crisis narrative is overstated, how lab methods distort trends, and how to evaluate symptoms with repeat testing and context.