Keeping your home’s humidity in the 40% to 60% range could make it harder for flu viruses to spread.

Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

This time of year, we often complain about strong winds or bitterly cold temperatures. But another common and often overlooked issue is extremely dry, desert-like air.We regularly display a wide range ...