Health Fusion: Tips for aging and dry winter skin

<p>Changes in weather can be hard on your skin. Think of it as a kitchen sponge. When the atmosphere is dry, it loses moisture, dries out and shrivels up. Temperature and humidity matter. In this episode of NewsMD's "Health Fusion," Viv Williams gets tips from a Mayo Clinic dermatologist on how to avoid cracked, dry winter skin.</p>