We all “know” we don’t get enough sleep (most grown-ups is aware of it). And our bodies accumulates this sleep-debt, expressing itself with small but … Read More

Unfortunately, it’s less than straight-up science to find the day your life started; it’s often part detective work. Maybe you know exactly when you spotted … Read More

Okay, you got the bad news: negative. Clear, said the screen and cleared you as healthy, said the doctor. But unless you know what a … Read More

Imagine you’re running a screening test on a thousand people. The test seems great: 95% of the people who have disease test positive. And 95% … Read More

On paper, these relative risk reductions look pretty good. You see a 30% reduction in heart attacks, and it seems like an advance; it’s something … Read More

A headline saying a new drug halves heart attack risk sounds like a breakthrough. We feels excited. But what if the risk was two in … Read More

“New drug reduces heart attack risk by 50%.” You stop scrolling because it’s a miracle. It is headline that sounds too good to be true. … Read More

Raw Score: You take a test and get back an eighty-four, thinking it’s pretty good. Then you’re told that class average was seventy with a … Read More

For example, the growth chart percentile calculator takes your child’s measurements of height, weight, or body mass index at any time from age two until … Read More

Head circumference is how big your baby’s head is. That’s important for understanding how your little one’s brain is growing early on. To get the … Read More