Preventing obesity focuses on healthy daily habits supported by strong evidence. Regular physical activity helps maintain a healthy weight; the World Health Organization recommends at least 150 minutes of moderate exercise each week for adults.

A balanced diet is equally important. This includes eating plenty of fruits, vegetables, whole grains, and lean proteins while limiting foods high in sugar, salt, and unhealthy fats.

Drinking water instead of sugary beverages reduces excess calorie intake.

Adequate sleep also matters, as poor sleep is linked to weight gain.

Finally, reducing long periods of sitting and encouraging active lifestyles at home, school, and work can significantly lower obesity risk.