Health Age Calculator
Answer 12 quick questions about your daily habits and see how old your body really acts, plus the changes that would help most.
Calculate my Health AgeFeel better, one week at a time.
Simple, research-backed habits for body, mind and spirit, with a new article every Monday.
Eight simple principles behind a longer, fuller life.
Every article, the Health Age score and the 10-Week Challenge come back to the same eight principles, known as NEWSTART. Tap one to browse articles on it.
Start here
Three steps to a healthier you.
See where you stand, build momentum with guided habits, then keep growing with something new to read every week.
The 10-Week Health Challenge
- One focused habit each week
- 3 short coaching emails: Mon, Wed, Fri
- Free. Unsubscribe anytime.
The Weekly
A new article every Monday on one NEWSTART principle, with recipes, research and simple next steps you can try that week.
Browse articles
The Weekly
Fresh reading for every week.
Short, scannable articles you can put into practice right away.
Free weekly email
Get each new article in your inbox.
- One email when each new article goes live, about once a week
- Practical tips you can try right away
- No spam, never shared, unsubscribe in one click
We’ll send a quick confirmation email first. Click the link inside to start getting articles.
Watch & read
The research that started it all.
The China Study is one of the most comprehensive studies of nutrition ever done. Start with the 8-minute overview, then go deeper.
Start here · 8 minutes
The China Study, explained
Full documentary
The original China Study
Full documentary
PlantPure Nation
Prefer to read the full study?
Get The China Study from any of the links below, search your favorite bookseller, or check your local library.
Faith & health
“Beloved, I wish above all things that thou mayest prosper and be in health, even as thy soul prospereth.”3 John 1:2
Many studies link spiritual life to better physical health, including lower blood pressure, less heart disease, depression and anxiety, and a better overall quality of life. Trust is the eighth principle for a reason. Here are some places to grow.
Request free Bible studiesDelivered to your door or inbox
It Is Written online Bible studySelf-paced lessons
Truth Link online Bible studyExplore at your own pace
Rejoice RadioUplifting Christian music
Strong Tower RadioMusic, sermons, health & kids’ programs
Three Angels Broadcasting NetworkFaith-based programming, 24/7
Say hello
We’d love to hear from you.
Has something here helped you? Do you have a story to share, or a topic you’d like us to write about? Send us a note.