Psychology & Psychiatry

Why do men have better sense of direction than women?

It's been well established that men perform better than women when it comes to specific spatial tasks. But how much of that is linked to sex hormones versus cultural conditioning and other factors?

Health

Fracking chemicals tied to reduced sperm count in mice

Prenatal exposure to a mixture of chemicals used in the oil and natural gas drilling technique known as hydraulic fracturing, or fracking, at levels found in the environment lowered sperm counts in male mice when they reached ...

Psychology & Psychiatry

Sex change hormonal treatments alter brain chemistry

Hormonal treatments administered as part of the procedures for sex reassignment have well-known and well-documented effects on the secondary sexual characteristics of the adult body, shifting a recipient's physical appearance ...

Health

Vitamin D levels examined for long-term health effects

A West Australian study has recorded the vitamin D levels of local children, along with the genes involved in its production, setting the foundation for future research into vitamin D effects on a person's health from childhood ...

Medical research

Capturing false hormones

They damage our ability to reproduce, and they pollute the natural environment. Yet chemicals known as hormone mimics can be found in consumer goods. Eventually they end up in our water. But we now have a way of capturing ...

Medical research

Low testosterone raises risk of age-related functional disability

Elderly men with low levels of testosterone or other sex hormones have twice the likelihood of having declining physical function over two years' time compared with their peers who have the highest hormone levels, a new study ...

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