Sinus Congestion vs. Allergies: How to Tell the Difference and Find the Right Treatment

Rhinovirus, the main cause of the common cold, thrives in cooler temperatures—like the ones inside your nose (around 91–95°F). But when your body or tissue temperature rises, the virus struggles to multiply.

How heat helps your immune system fight the common cold

Rhinovirus, the main cause of the common cold, thrives in cooler temperatures—like the ones inside your nose (around 91–95°F). But when your body or tissue temperature rises, the virus struggles to multiply.