A field sample of mosquitoes that could carry West Nile virus pictured in California. Image Credit: David McNew/Getty Images
Depending on where you live, you may use bug repellant to protect against West Nile virus or Lyme disease. But when was the last time you considered your risk of contracting dengue fever?
Warmer temperatures along with associated floods and droughts are encouraging worldwide health threats by creating an environment where mosquitoes, ticks, mice and other disease-carrying creatures thrive. The World Health Organization (WHO) reports that outbreaks of new or resurgent diseases are on the rise and in more disparate countries than ever before, including tropical illnesses in once cold climates -- such as mosquitoes infecting Canadians with West Nile virus.
While more than 150,000 people die from climate change-related sickness each year, everything from heat-related heart and respiratory problems to malaria are on the rise [source: The Washington Post]. Cases of allergies and asthma are also increasing. How is hay fever related to global warming? Global warming fosters increased smog -- which is linked to mounting instances of asthma attacks -- and also advances weed growth, a bane for allergy sufferers.
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