Aging

Biological age tests measure epigenetic methylation patterns — but the actionable part is what you do with the information, not the number itself.

Biological age tests are everywhere — but the inflammation driving your aging might not show up on any of them.

Cortisol isn’t just the stress hormone. It’s an aging hormone that shortens telomeres, disrupts sleep, and reshapes your body — and standard blood tests miss it entirely.

Cardio vs Weights After 40 — Which Changes Your Hormones You’ve been told to exercise more. Run. Spin. Hit the treadmill. Burn calories. But after 40, the rules change. What you do in the gym doesn’t just affect your weight — it reshapes your hormones. And the wrong kind of exercise can make your hormonal situation worse, not better. ...

🎧 Listen to this article Your browser does not support the audio element. Why Your ‘Normal’ Blood Work Is Lying to You Lab reference ranges are averages drawn from everyone tested at that lab — sick, healthy, old, young. A 2024 study in Thyroid found that age-specific TSH intervals differ significantly from the standard ranges labs use, meaning women over 40 have different optimal levels than women under 30, yet the lab gives everyone the same cutoff (Jansen et al., 2024). A 2025 cross-sectional study confirmed that thyroid function reference intervals vary by age, sex, and race, and that one-size-fits-all ranges miss early thyroid dysfunction in women specifically (Li et al., 2025). ...

The Progesterone Crash Nobody Warns You About at 35 You’re 35. Your periods are heavier. Your anxiety is worse. You can’t sleep. You’re gaining weight around your middle for the first time in your life. ...

Why you can’t think straight after 40 You used to walk into a room and know why you were there. Now you stand in the doorway, staring at the wall, trying to remember if you came for your phone, your keys, or something you can’t name at all. ...