As extreme cold weather grips large sections of the United States, people still need to work and live their lives. CNN wellness expert Dr. Leana Wen has guidance.

Out of the snow globe, and into the freezer. After having experienced its heaviest snowfall in about a decade, the Philadelphia region now faces frigid temperatures that are expected to barely squeak out of the teens until next week.

An extreme cold warning is in effect until noon today and then a cold weather advisory will go in effect for this evening and into Wednesday's forecast.

The weather service said people should limit their time outside, dress in loose layers, and cover all exposed skin. Additionally, people should eat hot food and drink warm drinks, but should avoid caffeine and alcohol. During extreme cold, wear multiple layers, boots, gloves, a warm hat and a face covering.

Temperatures will barely tip above freezing this week. Here's what to expect in your city.

At least 10 New Yorkers were found dead outdoors as below-freezing temperatures and a bruising snowstorm gripped the Big Apple over the weekend, officials said Tuesday. Mayor Zohran Mamdani revealed the grim death toll since Saturday though it was unclear how many of those fatalities were directly related to the tundra-like conditions.