Climate Changes Linked to Allergies, Asthma
1,347 views · Published 16 September 2008 · 1:52 · Indexed 24 October 2026
Channel: Voice of America · 2008 · Science & Technology
The World Health Organization says, every year, hundreds of millions of people are becoming ill with preventable chronic respiratory diseases. One of the most common allergies is said to be hay fever, which is caused by contact with ragweed. Scientists now say the increase in ragweed is stimulated by climate change. VOA's Melinda Smith has more on this condition.