That headline is meant to grab attention, but the underlying message has some truth: many strokes can be prevented by managing known risk factors.
A silent stroke (sometimes called a “quiet stroke”) is a stroke that damages the brain without causing the classic, obvious symptoms of a major stroke. People may not know they’ve had one until it’s shows up on a brain scan or they develop subtle problems with memory, thinking, or walking.
Habits that can lower your stroke risk
Control your blood pressure. This is the single most important step.
Stay physically active. Aim for at least 150 minutes of moderate exercise per week, if your healthcare provider says it’s appropriate.
Eat a heart-healthy diet rich in fruits, vegetables, whole grains, legumes, and healthy fats, while limiting excess salt and highly processed foods.
Don’t smoke, and avoid secondhand smoke.
Limit alcohol if you drink.
Manage diabetes and high cholesterol if you have them.
Maintain a healthy weight.
Get adequate sleep, and seek evaluation if you have symptoms of sleep apnea (such as loud snoring and excessive daytime sleepiness).
Take prescribed medications consistently for conditions like high blood pressure, diabetes, high cholesterol, or irregular heart rhythms.
Know the warning signs of a stroke
Even if silent strokes can go unnoticed, a typical stroke is a medical emergency. Remember FAST:
Face: One side of the face droops.
Arms: One arm is weak or numb.
Speech: Speech is slurred or difficult.
Time: Call your local emergency services immediately.
Also seek emergency care if someone suddenly develops vision loss, severe dizziness, difficulty walking, confusion, or a sudden severe headache.
The headline exaggerates the mystery, but the prevention advice is straightforward: controlling blood pressure, living a heart-healthy lifestyle, and recognizing stroke symptoms are the most effective ways to reduce your risk.