Health

BPA's real threat may be after it has metabolized

Bisphenol A or BPA is a synthetic chemical widely used in the making of plastic products ranging from bottles and food can linings to toys and water supply lines. When these plastics degrade, BPA is released into the environment ...

Psychology & Psychiatry

Stress hormones: Good or bad for posttraumatic stress disorder risk?

Glucocorticoids, a group of hormones that includes cortisol, are considered stress hormones because their levels increase following stress. When their relationship to stress was first identified, it was shown that the release ...

Genetics

Uncovering the genome's regulatory code

Since the sequencing of the human genome in 2001, all our genes – around 20,000 in total – have been identified. But much is still unknown – for instance where and when each is active. Next to each gene sits a short ...

Medical research

New brain target for appetite control identified

Researchers at Columbia University Medical Center (CUMC) have identified a brain receptor that appears to play a central role in regulating appetite. The findings, published today in the online edition of Cell, could lead ...

Medical research

Solving the mystery of blood clotting

How and when our blood clots is one of those incredibly complex and important processes in our body that we rarely think about. If your blood doesn't clot and you cut yourself, you could bleed to death, if your blood clots ...

Neuroscience

Nose spray for panic attacks?

(Medical Xpress) -- Max Planck researchers have succeeded in showing in experiments on mice that the anxiolytic substance neuropeptide S (NPS) can be absorbed through the nasal mucosa and unfold its effect in the brain. Having ...

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