Apr 02, 2025

N. Lothungbeni Humtsoe

Top 10 Cleanest Countries For Boosting Cognitive Function

Top 10

Iceland

Source: Pexels

Top 9

Switzerland.

Source: Pexels

Top 8

Austria

Source: Pexels

Top 7

Slovenia

Source: Pexels

Top 6

Luxembourg.

Source: Pexels

Top 5

Sweden.

Source: Pexels

Top 4

Malta

Source: Pexels

Top 3

Finland.

Source: Pexels

Top 2

London

Source: Pexels

Top 1

Denmark.

Source: Pexels