Alzheimer's disease & dementia

Female sex hormones and mechanics of memory

Dr. Karyn Frick was puzzled. Her two-year study, begun with funding from Women's Health Research at Yale in 2005, found that long-term treatment with the sex hormones estrogen and progesterone did not improve memory as anticipated.

Immunology

Why do more women have asthma than men? Blame hormones

Women are twice as likely as men to have asthma, and this gender difference may be caused by the effects of sex hormones on lung cells. Researchers at Vanderbilt University and Johns Hopkins found that testosterone hindered ...

Medical research

New technique overcomes genetic cause of infertility

Scientists have created healthy offspring from genetically infertile male mice, offering a potential new approach to tackling a common genetic cause of human infertility.

Oncology & Cancer

Non-sex hormones in sexing liver cancers

NUS biologists have discovered that two hormone factors, cortisol and serotonin, play critical roles in the development of male-biased liver cancers.

Neuroscience

Female and male mice suffer, recover from TBI differently

Male mice have much greater brain distress in the week following a traumatic brain injury (TBI) than female mice, including skyrocketing inflammation and nerve cell death, say researchers at Georgetown University Medical ...

Medical research

New insights into infertility-causing sex chromosome disorders

Research carried out by Francis Crick Institute scientists provides new insights into sex chromosome disorders which typically cause infertility, such as Turner syndrome and Klinefelter syndrome. Through their research, the ...

Diseases, Conditions, Syndromes

Female hormones increase risk of vision loss in rare genetic disease

Girls with a rare genetic disorder caused by mutations in a gene known as Nf1 are much more likely to lose their vision than boys with mutations in the same gene. And now, researchers at Washington University School of Medicine ...

Medical research

Male hormone reverses cell aging in clinical trial

Telomerase, an enzyme naturally found in cells, is often described as a "cellular elixir of youth." In a recent study, Brazilian and U.S. researchers show that sex hormones can stimulate production of this enzyme.

page 5 from 10