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Geology and Human Health Case Studies Collection

These case studies were developed by students in the 2012 introductory-level Geology and Human Health course offered by the Department of Earth Sciences at Montana State University. This course is offered for non-geoscience majors and counts for our Core Curriculum credit in the Contemporary Issues in Science rubric.


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Arsenic in Bangladesh
There are an estimated 70 million people currently at risk for arsenic poisoning in the the Bangladesh area, resulting in a major health crisis and need for clean water. The effects of Arsenic poisoning are gruesome, and take effect after many years of drinking arsenic contaminated water.

Radiation and Cancer
This web page provides information about the different types of radiation, where they come from, how they can impact your health, and what you can do to lower your chances of radiation exposure.

Health Effects of Radon
Radon is a naturally caused radioactive gas that can infiltrate your home. Knowing where radon comes from and how it gets into your home can help protect you from its negative health effects.

Health Impacts of Selenium Related to Phosphorous Mining
As is true with all substances, the dosage determines the difference between nutrient and poison. In order to understand the impacts of phosphorous mining, a basic understanding of what phosphorous is and why it is mined is first needed.

Health Effects from British Petroleum Oil Spill
The British Petroleum oil spill made history on April 20, 2010. An explosion on the drilling platform caused the oil rig to begin sinking and as the oil rig sunk, millions of gallons of oil began dissipating into the Gulf of Mexico with no way to try and stop it. As the oil continued to leak out into the open ocean, not only sea life became endangered, human health did as well. Once the ocean became polluted with oil, it was only a matter of time until the effects began weighing on human health.

Radiation and Nuclear Health Hazards
When we think of radiation we may immediately think of only dangerous and harmful things. In reality, the word radiation refers to any transfer of energy through space from a source. Some examples of radiation include sunlight, radio waves, x-rays, heat, alpha, beta, gamma ionizing radiation, and infrared, just to name a few. Not all of these types of radiation are harmful, in fact, in moderation, most radiation will not pose a health risk. Certain types of radiation, however, can be dangerous, even in small doses.

What Will Climate Change Mean for Lyme Disease?
The first case of Lyme disease to be reported in the United States was in the town of Lyme, Connecticut, in 1975. The disease is caused by a bite of a deer tick (Ixodes scapularis) leading to a bacterial infection (Borrelia burgdorferi). With the impending changes to the climate, scientists expect to see the reported cases of Lyme disease to increase, as well as the disease to be able to occur in areas it previously had not. Arming yourself with knowledge of the signs and symptoms of the infection is paramount for those who spend time outdoors.

Airborne Microbes
In order to educate you about airborne microbes in different environments, I will let you know a little bit about when, where and how you can find these little, microscopic buggers and what kind of affect they'll have on you or your family. Everyone has their own natural microorganisms that live on, in and around their own bodies. These bacteria are known as natural flora and our own bodies (specifically the immune system) recognize that they are good for us. We, as humans, would not survive without such creatures. However, this website gives information regarding pathogenic microorganisms in general. That is, things that you can't see causing physical harm.

The Health Effects of Hurricane Katrina
Hurricane Katrina was one of the strongest storms to hit the United States coast within the last 100 years. It devastated New Orleans and caused many health concerns for the public. The water left from the storm left little clean water to use, buildings completely destroyed, and the public at a loss for words. Nothing can truly stop these types of storms, all one can do is know what to look out for and how to protect themselves as best as they can.

Asbestos at Thetford Mines, Quebec Canada
After being the focal point for the economies of nations such as Canada for a century, the asbestos industry looks to be all but dead. The health hazards that this silky-white product presents are now seen to outweigh the benefits of its fire, rust, and rot resistance, tensile strength, and sound absorption.


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