Those grains can be harmful

SPRING is in full bloom. For many it might not be a lovely sight to cherish but a battle with pollen-related allergic diseases.

- 

Scientists say fine bioaerosol particles are released by trees, grasses, and weeds to fertilize other similar plants.

Pollen entering the nasal pathways could cause pollen allergy with symptoms somewhat similar to common flu and cold.

What's worse is that as the climatic variability is increasing, it is expected that the urban environment will significantly add to the burden of pollenrelated respiratory and skin diseases.