Chemicals to Avoid During Pregnancy Post 3: Retinol

by Jessica Kellner, Editor

As we pregnant women keep in mind what is entering our babies' bodies through our mouths and avoiding alcohol, processed foods, mercury in fish and food additives, we should also keep in mind what could be entering our babies' bodies through our skin. When we slather creams, lotions, moisturizers and sunscreens onto our bodies, they are absorbed into our bodies via our largest organ, where they are able to impact developing babies. 

What is relative humidity and how does it affect how I feel outside?

If the air is at 100-percent relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high.

Karl Weatherly/Getty Images

Humidity is somethi­ng we hear about daily in weather reports. Humidity is to blame for that muggy, steam-room feeling you experience on certain summer days.

Humidity can be measured in several ways, but relative humidity is the most common. In order to understand relative humidity, it is helpful to first understand absolute humidity.