Myth vs Signal

What you’ve been told vs what the data says.

MYTH

Your cholesterol test tells the whole story.

SIGNAL

Standard panels estimate LDL. ApoB counts the particles that hit your arteries.

MYTH

GLP-1s are only about weight.

SIGNAL

In SELECT, semaglutide cut major heart events by 20% in people with heart disease and overweight.

MYTH

Longevity is only for the rich.

SIGNAL

The best-evidenced longevity habits cost $0.

MYTH

BPC-157 is proven to heal injuries.

SIGNAL

Almost all the evidence is in rats and cells. Human data is very limited.

MYTH

8 hours is all that matters.

SIGNAL

In ~60,000 people, a regular schedule predicted lower risk of death better than duration.

MYTH

Strength training is for the young.

SIGNAL

Every 5 kg less grip strength: 16% higher risk of death, across ~140,000 adults.

MYTH

10,000 steps is the magic number.

SIGNAL

It was a pedometer ad. The benefit levels off around 6,000–8,000 steps if you’re 60+.

MYTH

Cardio is optional if you eat well.

SIGNAL

In 122,007 adults, low fitness carried a bigger risk of death than smoking or diabetes.