Spring blooms soon with seasonal allergens returning

AUSTIN (KXAN) - March 20 marks the very first day of spring and with the arrival of a new season comes allergens many haven't had to deal with in months. From oak, mulberry, mesquite, and grass, there will be plenty of pollen in the air to give those with allergies a run for the medicine.Dr. John Villacis with St. David's North Austin Medical Center says you can normally tell when oak is picking up by the yellow dust-like powder you see on your cars."Typically we will see the oak pollens really