Toxic Chemicals Do the Darndest Things

In honor of recent news headlines, my undying love of lists, and the successful completion of the first week of my new environmental health graduate program, The Birds and The PCBs is happy to present:

The top 6 weirdest health effects that toxic chemicals can cause:

6. Obesity: Apparently, pollution can make you fat, according to a groundbreaking new Spanish study. The results indicate that exposure to chemicals before birth makes children more likely to grow up and become obese. This is just the latest in a series of studies showing that fetal exposure to chemicals can interfere with hormone processes and affect weight later in life. (Thanks to Brian from Arsenic and Old Face for sending this to me!)

5. Baby Girls: As I reported back in August, PCBS and other chemicals can interfere sex ratios and cause an abundance of baby girls. In fact, one village in the Arctic only has baby girls being born. And, a study from earlier in the summer found that women in San Francisco with high levels of PCBs in their bodies who became pregnant were a third less likely to give birth to a baby boy

4. Violent Crime: Studies show that even low levels of lead can cause brain damage and, surprisingly, make those exposed to lead more likely to commit violent crimes. In fact, studies have linked lead exposure with higher numbers of juvenile deliquency acts. One of my environmental justice professors wants to study lead levels of prisoners, and I wouldn't be surprised if they have higher levels of lead in their bodies. For more info on lead exposure, see Sustaino's excellent post "Lead (Pb) Belly."

3. Hermaphrodism: As I reported back in August, researchers in Florida have found that in heavily farmed areas, 40% of male toads have abnormalities that make them more like female toads, likely due to agricultural pollution. This study is strengthened by studies coming out of UC Berkeley showing that the most commonly used herbicide in the US, atrazine, feminizes frogs and turns them into hermaphrodites- even at low levels allowable by EPA in waterways. Scary stuff!

2. Impaired Art Skills: Pesticides are known to affect learning and behavior in small children. A chilling example of this comes from a study of children in the Yaqui Valley, Mexico. Dr. Elizabeth Guillette studied two villages- one where pesticides were heavily used in agriculture, and one where pesticides were not used. Although the children exposed to pesticides did not have any overt symptoms, they children demonstrated decreases in stamina, eye-hand coordination, memory and in the ability to draw a person. While the unexposed children drew pictures of people normal for their age and developmental stage, the pesticide-exposed children's drawing were so different, it was shocking. See for yourself:


1. Teen pregnancies: And finally, one of the weirdest effects of toxic chemical exposure. Lead exposure in young mothers has been found to be associated with repeat teen pregnancies, as well as tobacco use. The study, "Environmental Injustice: Childhood Lead Poisoning, Teen Pregnancy, and Tobacco," was just recently published. The authors explain that lead poisoning can delay cognitive development in young women. "Because lead poisoning potentially impacts both cognitive ability and executive functioning, these two factors may operate synergistically in reducing the teen’s ability to avoid pregnancy."

This is fracking ridiculous

Fracking* fluids, or fracturing fluids, are fluids that are pumped into the ground to break up rocks and increase oil production in a process known as hydraulic fracking. Around 90 percent of all oil and gas wells in the U.S. uses this process.

The problem is, these fracking fluids are extremely toxic and go largely unregulated. Yet, millions of gallons of these fluids are used every years, and there are hundreds of reported spills.The EPA, however, says that fracking fluids are safe for the environment and groundwater, even though this is clearly not the case. Check out this Newsweek article on the health and environmental effects of fracking, and story of one woman who got poisoned by exposure to fracking fluids.

The upside is that in yet another example of states stepping in where EPA fails, Colorado has just announced it will be issuing regulations on fracking fluid. Yay, Colorado!

*Brian has pointed out that frack is also a swear word commonly used on Battlestar Galactica. For all my sci-fi geek fans (Megan), I apologize for the confusion.

Take Action to Get Toxic Flame Retardants Banned in MI

The Michigan Legislature is currently discussing legislation to ban deca-BDE, a type of toxic flame retardant that shouldn't be used anymore. Deca-BDE is part of a class of chemicals known as polybrominated diphenyl ethers (PBDE). They are widely used as flame retardants in furniture foams, industrial textiles, and consumer electronics. Deca-BDE is the most widely used form of PBDE, and is found in mattresses, televisions, computers, and residential upholstered furniture.

PBDEs have been found in human breast milk, wildlife, and in food. In 1998, Swedish scientists discovered that PBDEs may pose significant risks to human and environmental health. As a result, the European Union and the states of California, Hawaii, Maine, New York and Washington took action to reduce, or ban, the use of PBDEs.

I just took action to get deca-BDE banned in Michigan, and if you live in Michigan, you should take a second to take action as well: http://www.mnceh.org/take.deca.php

Toxin found on Mars...and in your mom

Today, NASA announced that they found a toxin in the soil on Mars, and that hopes for finding life on the red planet were diminished.

Heres the funny thing though (not funny ha ha, funny weird): perchlorate, or rocket fuel, the toxin they found on Mars, is also found on our own planet- and not just in rocket fuel. In fact, its one of the most common pollutants of our waterways- it has been found to contaminate drinking water in at least 28 states. Studies by the Environmental Working Group, academic researchers and the Centers for Disease Control have found perchlorate in food, cow’s milk, human breast milk and the bodies of virtually every American.

I have a crazy idea. What if we stopped spending billions of dollars searching for life on other planets, and instead, invest that money in making our own planet more livable?

Sources: CNN, Environmental Working Group