State any one advantage and disadvantage of pollen grains to humans

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Pls find the answer below for the asked query : 

Advantage of Pollen grains:
  • Pollen grains are rich in nutrients. In western countries, a large number of pollen products in the form of tablets and syrups are available in the market. Pollen grain consumption has been claimed  to increase the performance of athletes and race horses. 
Disadvantage of Pollen grains :
  • Pollen grains of many species cause severe allergies and bronchial afflictions in some people often leading to chronic respiratory disorders- asthma, bronchitis, etc. 
Hope it helps ...!!! ☺

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Hope it helps you

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Advantage
1. The pollen grains are highly nutritious hence are taken as supplements by athletes
Disadvantage
1.Some pollens like parthenium cause allergies to humans
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