Cold Weather, Weak Immunity? The Surprising Science Behind Sickness Season
Cold weather brings more than chilly mornings—it can actually weaken your immune defenses. From lower vitamin D to sluggish nasal immunity, here’s the science behind sickness season and simple steps to stay healthy when bugs start spreading.
You probably think everyone gets sick in the fall and winter because “it is just cold and flu season.” But the truth? There is no magic germ calendar where viruses suddenly wake up on September 1st and start plotting against us.
The real reason you get sick more often when it gets colder has everything to do with your immune system. And yes, most of it starts in your gut.
Let’s break it down.
