Toxic Chemicals Impair Learning
Current laws do not require the systematic screening of chemicals for their ability to cause brain damage, says a concerned mother who finds her child awash in a chemical world.
The task of finding a nursery for her child opened Sandra Steingraber's eyes to the reckless abandon with which we treat our children's environments: "The estimate most often cited by the medical literature is that developmental disabilities now affect about one in every six U.S. children, and most of these are disabilities of the nervous system. If accurate, this figure means that the number of children with neurodevelopmental disorders now exceeds the number of children with asthma, which is also a problem of pandemic proportion. ... Of course, the child whose I.Q. is diminished by early-life exposure to neurotoxic chemicals but who is not classified with a disorder also incurs economic costs to the family and to the community."
It's a development that could one day lead to much better treatments for osteoporosis, joint damage, and bone fractures.
- Scientists have isolated skeletal stem cells in adult and fetal bones for the first time.
- These cells could one day help treat damaged bone and cartilage.
- The team was able to grow skeletal stem cells from cells found within liposuctioned fat.
Gut bacteria play an important role in how you feel and think and how well your body fights off disease. New research shows that exercise can give your gut bacteria a boost.
- Two studies from the University of Illinois show that gut bacteria can be changed by exercise alone.
- Our understanding of how gut bacteria impacts our overall health is an emerging field, and this research sheds light on the many different ways exercise affects your body.
- Exercising to improve your gut bacteria will prevent diseases and encourage brain health.
A groundbreaking new study shows that octopuses seemed to exhibit uncharacteristically social behavior when given MDMA, the psychedelic drug commonly known as ecstasy.
- Octopuses, like humans, have genes that seem to code for serotonin transporters.
- Scientists gave MDMA to octopuses to see whether those genes translated into a binding site for serotonin, which regulates emotions and behavior in humans
- Octopuses, which are typically asocial creatures, seem to get friendlier while on MDMA, suggesting humans have more in common with the strange invertebrates than previously thought
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