Senon Davis brightens the front of Saadia’s Juice Box and Yoga Bar, one of the newest businesses in Jackson Ward. Mr. Davis spent a recent Sunday adding fresh, attention-grabbing color to the business at 402½ N. 2nd St. Opened in January, owner Saadia Yasmin combines yoga and belly dancing classes with a mix of Persian-style baked goods, salads and beverages — ranging from coffee, espresso and tea to raw juices and special concoctions of fruit, vegetables and spice smoothies.