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Evidence-based articles on sleep, nutrition, skin aging, cognitive health, and the science of living longer, better.
Hormones & Reproductive Health
33 articlesHormones & Reproductive Health
Reproductive Ageing Explained: How Fertility Changes with Age in Women and Men
By 30, most women have about 12% of their peak egg supply left, and each extra year of a father's age adds about two new mutations. How reproductive ageing works in both sexes, and why it matters for long-term health.
Hormones & Reproductive Health
The Menstrual Cycle as a Vital Sign: What Your Period Says About Your Health
Only 13% of cycles are exactly 28 days, and persistently irregular cycles are linked to higher early death rates. What's normal, what changes in your cycle can reveal, and when to see a doctor.
Hormones & Reproductive Health
How Fertility Works: Conception, Timing and Your Chances of Pregnancy
Conception only happens in a six-day window, and even well-timed couples take time: 38% conceive in the first cycle, 92% within a year. How fertility works, how age affects it and when to seek help.
Hormones & Reproductive Health
Sexual Health and Longevity: Why Sexual Wellbeing Matters at Every Age
Most adults stay sexually active into their 60s and 70s, yet few discuss problems with a doctor. How sexual health changes with age, what it reveals about the heart and metabolism, and how to look after it.
Hormones & Reproductive Health
Polycystic Ovary Syndrome (PCOS): More Than a Fertility Condition
PCOS affects 6.3% of Sri Lankan women aged 15-39 and triples the risk of type 2 diabetes. How it's diagnosed, why it's a metabolic and heart risk condition, and what 5-10% weight loss can do.
Hormones & Reproductive Health
Endometriosis: Recognising Painful Periods That Aren't Normal
Endometriosis affects 1 in 10 women of reproductive age and takes 4-12 years to diagnose. How to recognise it, why it's linked to 62% more heart disease, and the treatment options.
Hormones & Reproductive Health
Fibroids and Heavy Periods: Causes, Long-Term Effects and Treatment Options
Most women develop fibroids by 50, and heavy periods are a leading cause of iron deficiency. What causes heavy bleeding, why hysterectomy was linked to 33% more heart disease, and the womb-preserving options.
Hormones & Reproductive Health
Male Fertility and Sperm Health: What Semen Quality Says About a Man's Health
Men are involved in about half of infertility cases, and sperm counts fell 51.6% from 1973 to 2018. What a semen analysis shows, why semen quality tracks lifespan, and what men can change.
Hormones & Reproductive Health
Erectile Dysfunction and Heart Health: An Early Warning Sign Worth Acting On
ED affects about half of men aged 40-70 and can appear 2-5 years before heart disease symptoms. Why it's an early warning, which checks are worth doing, and how lifestyle change restored function in a third of men.
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