VALHALLA — Just 19 months old, little Anna Riley knows how to make an entrance: snuggled in mom's arms, wearing a headband that matches her floral-patterned pants, big sunglasses perched on her nose, snacking on a piece of pizza.Anna was born with a very rare genetic condition called harlequin ichthyosis. Her body produces skin at a highly accelerated rate, but she can’t shed skin cells, sweat or retain moisture the way most people do.Without proper care, her [...]