The reasons behind ant invasion in your home and what they reveal

Some species carry pathogenic microorganisms on meal preparation surfaces.
In large numbers, they can damage electronic devices by entering the circuits.
Remèdes naturels contre les fourmis

Eco-friendly solutions to keep them away
Several natural alternatives exist to limit their presence without resorting to pesticides:

Household vinegar: its acidity erases the chemical trails that ants follow.
Citrus fruits and coffee grounds: their powerful scents blur the olfactory cues of insects.