Autumn is also allergy season for those sensitive to ragweed. "A spike in ragweed tends to mark the informal start of the fall allergy season, which typically begins in mid-August," Dr. Rachna Shah, ...

The relationship between the southern Brazilian tropical Atlantic lowland rain forest and modern pollen rain was studied by pollen traps. The study was carried out on a one hectare plot undisturbed ...

Allergy sufferers in Hamilton will experience heightened symptoms in the coming weeks as warmer weather results in more tree ...