Although the evidence is contradictory, caffeine ​ — contained in coffee, tea, and cola drinks — ​ and emotional and physical stress may also aggravate high blood pressure.
Walaupun masih dipertentangkan, kafein ​ — yang terdapat dalam kopi, teh, dan minuman kola ​ — serta tekanan emosi dan fisik juga bisa memperparah tekanan darah tinggi.