Things We’ve Read: Week of Dec. 2nd, 2013

Prenatal Depression: What I Didn’t Expect When I Was Expecting (NYTimes): An enlightening recounting of sadness during pregnancy. Sometimes, placenta doesn’t produce enough progesterone; this offset causes symptoms of depression.

Fertility Doctors Aim To Lower Rate Of Twin Births (NPR): Big multiple births (like Octomom) have decreased but the twin rate is stagnant. Doctors want to lower the rate of twin births and increase the rate of healthy, live births.

The Toxins That Affected Your Great-Grandparents Could Be In Your Genes (Smithsonian): An interesting study of the staying power of toxins finds evidence of hardy and insidious chemicals 4 generations after exposure.

Breathe easy by avoiding chemicals in home items (Philly.com): Is your house off-gassing? Probably. That’s what happens when chemical substances evaporate and get into the indoor air.Screen Shot 2013-12-08 at 2.51.18 PM

Dandruff Shampoo could Mess up Waterways (Scientific American): A study has detected fungicides from anti-dandruff shampoos in the water. They retard the growth of larger plants which offsets the ecosystem and deprives marine animals of food.