Immunology

Females found to itch less than males

Among the many reasons men may have for envying women, at least when it comes to skin inflammation, is that women have a significantly lower incidence of severe psoriasis. However, the underlying reason for the sex differences ...

Sleep apnea

Hormones linked with sleep apnea, snoring in postmenopausal women

Middle-aged women with low levels of estrogen and progesterone are more likely to snore and to report symptoms of obstructive sleep apnea, according to a new study published this week in PLoS ONE by Kai Triebner of University ...

Obstetrics & gynaecology

Stress may be associated with fertility issues in women

Female rats exposed to a scream sound may have diminished ovarian reserve and reduced fertility, according to a small animal study published in the Endocrine Society's journal, Endocrinology.

Neuroscience

Researchers discover how hormones define brain sex differences

Sex hormones play an important role in shaping an animal's behavior, and their influence starts early. Early-life hormonal surges help shape the developing brain, establishing circuitry that will influence behavior for a ...

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Sex steroid

Sex steroids, aka gonadal steroids, are steroid hormones that interact with vertebrate androgen or estrogen receptors. Their effects are mediated by slow genomic mechanisms through nuclear receptors as well as by fast nongenomic mechanisms through membrane-associated receptors and signaling cascades. The term sex hormone is nearly always synonymous with sex steroid.

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