US High Blood Pressure by Age
In August 2021 to August 2023, 47.7% of US adults had hypertension, rising from 23.4% at ages 18 to 39 to 71.6% at 60 and older.
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US Supplement Use and the Evidence
60.2% of US adults took a dietary supplement in 2021 to 2023, yet the USPSTF finds too little evidence that multivitamins prevent heart disease or cancer.
How Likely Are Same-Sex Kids in a Row?
About 51.1% of US babies born in 2024 were boys, 1,045 for every 1,000 girls by our arithmetic, so each birth is close to a coin toss.
How Rare Is Leprosy in the US?
In 2025, the US reported 174 new cases of Hansen's disease (leprosy), about 1 in 2 million people, according to HRSA's National Hansen's Disease Program.
Insomnia Statistics Enough to Keep You Awake at Night
“How did you sleep?” If you’ve had a rough night of tossing and turning, this seemingly innocuous question—often the first words you hear each…
Resolved: To Get More Sleep
We have Tiger Woods to thank for suggesting an off-label use of the prescription sleep aid Ambien®. Although there are plenty of people who would love…
When Dreams Come True, Complete With Vampires
On the morning of June 2, 2003, Stephenie Meyer awoke from a vivid dream involving a sparkly vampire and an average teenage girl. The…
How Common Are US Breast and Prostate Cancers?
Lifetime risk of prostate cancer: about 13.2 percent of US men (SEER, 2021 to 2023); of breast cancer, about 13.0 percent of US women (SEER, 2021 to 2023).
How Many US Heart Attacks Are Repeats?
About 1 in 4: AHA estimates 200,000 of 805,000 US heart attacks a year are repeat attacks, using 2005 to 2014 data.
Who Exercises More, US Men or Women?
On an average day in 2025, 25.7 percent of US men and 21.1 percent of US women age 15 and older took part in sports, exercise or recreation, per BLS.
Leukemia: The Race for a Cure
Mandi Schwartz, 22, and her teammates on the Yale women’s hockey team had just celebrated a win over Brown University in December 2008 when…
Resolving Back Pain is a Pain in the Neck
Evolution has not been kind to millions of back pain sufferers. The physical stress of modern life as a biped is often more than…