Final answer:
If you are allergic to pollen, you may develop cold-like symptoms such as sneezing, coughing, congestion, and runny nose. Allergies are caused by the immune system's hypersensitivity to substances in the environment.
Step-by-step explanation:
If you are allergic to pollen, you may develop cold-like symptoms when the plants that bother you are in bloom. These symptoms may include sneezing, coughing, congestion, and runny nose. Allergies are caused by the immune system's hypersensitivity to substances in the environment. Symptoms of allergies can vary and may also include watery, itchy eyes and swollen tissues.