Simple health tools and clear guides for healthy aging
Check what your blood pressure reading means, see if you may be at risk of falling, learn how much protein and water you need, and find out which screenings Medicare covers — all in plain English, based on guidance from the CDC, NIH, the American Heart Association and Medicare.
Most-used health tools
See all 13 tools →Blood Pressure Checker
Type in your top and bottom numbers to see what your reading means.
OpenFall Risk Check
Answer 12 yes-or-no questions to check your fall risk.
OpenMedicare Screenings
Pick your age and sex to see the screenings Medicare covers.
OpenProtein Needs
Enter your weight to see your daily protein range.
OpenPart D Cost 2027
Estimate what you could pay for covered drugs in 2027.
OpenTarget Heart Rate
Enter your age to see your exercise heart rate zones.
OpenEvery tool by topic
Heart & blood pressure
Nutrition & weight
- BMI Calculator for Older Adults
- Daily Calorie Needs Calculator
- Daily Protein Calculator for Older Adults
- Daily Water Intake Calculator
- Calcium & Vitamin D Needs Calculator
Active living, falls & sleep
Medicare & medicines
Latest guides
All guides →Blood Pressure Chart for Seniors: What Your Numbers Mean (2025 Guidelines)
What normal, elevated, stage 1 and stage 2 blood pressure mean for older adults under the 2025 guideline, and how to measure at home.
Read guideStroke and Heart Attack Warning Signs Every Older Adult Should Know
Learn the F.A.S.T. stroke signs and heart attack symptoms, including those more common in women, and why calling 911 matters.
Read guideTarget Heart Rate by Age: A Simple Guide for Older Adults
How to find your moderate and vigorous heart rate zones by age, take your pulse and use the talk test.
Read guideBMI for Older Adults: What It Shows, What It Misses
How BMI works, the CDC categories, and why muscle loss and body shape matter more as we age.
Read guideProtein for Seniors: How Much You Need and Easy Ways to Get It
Daily protein needs for older adults, from the RDA to the higher amounts experts suggest after 65, with easy food ideas.
Read guideDehydration in Older Adults: Signs, Daily Water Needs and Simple Habits
Why older adults dehydrate more easily, the warning signs, daily fluid needs and habits that help.
Read guideHow we keep information trustworthy
Trusted sources
Every guide and tool is based on published guidance from the CDC, the National Institutes of Health, the American Heart Association and Medicare — and links to it.
Reviewed and dated
Each page shows when it was last reviewed. We update pages when guidelines or Medicare amounts change.
Private by design
Our tools run in your browser. We never ask for your name, health records or Medicare number.
Honest about limits
We explain what each tool can and can’t tell you, and when to call your doctor or 911.
Frequently asked questions
What is a normal blood pressure for seniors?
Under the 2025 American Heart Association / American College of Cardiology guideline, normal is below 120/80 at any adult age. 120–129 over less than 80 is elevated, 130–139 or 80–89 is stage 1, and 140 or 90 and above is stage 2. Your doctor sets your personal target.
How much exercise do adults over 65 need?
The CDC recommends at least 150 minutes a week of moderate activity such as brisk walking, muscle-strengthening on at least 2 days, and activities that improve balance. Some activity is always better than none.
What is the Medicare Part D out-of-pocket cap for 2027?
For 2027 the standard Part D benefit has a $700 deductible and a $2,400 annual out-of-pocket cap for covered drugs. After you reach the cap, you pay $0 for covered Part D drugs for the rest of the year. Premiums don’t count toward the cap.
Is ThistleOrbit medical advice?
No. ThistleOrbit offers general health information based on guidance from the CDC, NIH, the American Heart Association and Medicare. It does not diagnose or treat. Always talk with your doctor or pharmacist about your own health, and call 911 in an emergency.
Do you store the numbers I enter?
No. All tools run in your web browser, and nothing you type into them is sent to us or saved.