When we grow older we start seeing correlations between things.
For instance, I never realized the full extent of which weather has an impact on how we feel.
Of course, the simple term 'seasonal allergies' hints at the relationship between weather and our health.
Another example is that some say our sinus problems really kick in when low-pressure fronts arrive.
There's some kind of correlation between barometric pressure and sinuses.
Lately people have been complaining of flu, infections, bronchitis, colds and respiratory illness.