For some people, pollen allergies grow worse every year. Why
{"Image DocumentName": "For some people, pollen allergies grow worse every year. Why?", "Image ImageDescription": "More pollen is produced every year. Memory cells cause a stronger reaction. Pollen evolves stronger toxins. Suppressor T-cells become more active with time.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}