Health summaries
Male hormone health: testosterone, ED and fertility
Stanford urologist Dr. Michael Eisenberg explains low testosterone, erectile dysfunction, male fertility and prostate health, and when to get tested.
How much weightlifting is enough for health? The evidence
The two days a week lifting guideline came from a 1989 leg extension study. Here is what the evidence says about heart safety, injuries and how much to lift.
How stress speeds up aging and how to reset your response
Stress scientist Elissa Epel explains threat versus challenge, mitochondria, radical acceptance and simple tools that protect your cells from chronic stress.
Mitophagy and skin aging: clear damaged mitochondria
Doctors explain how damaged mitochondria age your skin and how sleep, exercise, less UV, polyphenols and urolithin A support mitophagy and healthier skin aging.
What to eat when you stop GLP-1 drugs like Ozempic
Health coaches explain how to avoid weight regain when a GLP-1 prescription ends: eat nutrient dense food, lift weights and fix habits while still on it.
Curly hair rules a dermatologist follows and ignores
A hair loss dermatologist tests seven popular curly hair rules and explains which ones protect your scalp and which only help your curls look better.
Dire wolves and mammoths: how de-extinction really works
Beth Shapiro explains how Colossal edits living genomes to revive dire wolf and mammoth traits, and what it means for conservation and human genetics.
Skin health from the inside out: acne, aging and gut
An integrative dermatologist explains how gut, insulin and hormones drive acne, eczema and psoriasis, and which habits and topicals best slow skin aging.
How to boost your immune system for cold and flu season
Dr. Mark Hyman explains how diet, vitamin D, sleep, stress and a travel supplement pack help you resist colds and flu, plus what he does at the first symptom.
Coronary plaque: why three CT scan analyses disagreed
Three platforms read the same heart scans and found plaque changes of minus 48%, flat and plus 20%. Learn why, and why he added a PCSK9 inhibitor.
Blueberry benefits for brain and arteries: 1 cup a day
One cup of blueberries a day improves artery dilation, supports memory and helps the body handle glucose. See what human trials show and the banana caveat.
Best foods to eat on Ozempic: 7 nutrient dense choices
On Ozempic, Wegovy, Zepbound or Mounjaro you eat far less. Use these 7 nutrient dense foods to protect muscle, bone and brain while you lose fat.
Postmenopausal skin: how to restore bounce and firmness
Lost bounce after menopause is not just a collagen problem. Learn the three part plan to support firmness, stimulate collagen and protect your skin.
Wall sits lower blood pressure better than cardio or lifting
A review of 270 trials ranked isometrics first for blood pressure. See how wall sits, grip work and dead hangs work in minutes per week.
Child type 2 diabetes: the fasting insulin test doctors miss
Type 2 diabetes in kids rose almost tenfold. Learn why a fasting insulin test can flag trouble years before A1C and what parents can change at home.






