Tags » Peer-reviewed

HIV particles do not cause AIDS, our own immune cells do

Researchers have revealed that HIV does not cause AIDS by the virus’s direct effect on the host’s immune cells, but rather through the cells’ lethal influence on one another.  588 more words

Science

Fertilization discovery: Do sperm wield tiny harpoons?

Could the sperm harpoon the egg to facilitate fertilization? That’s the intriguing possibility raised by the University of Virginia School of Medicine’s discovery that a protein within the head of the sperm forms spiky filaments, suggesting that these tiny filaments may lash together the sperm and its target. 616 more words

Science

Predicting who will murder his wife or his family

Murderers who kill intimate partners and family members have a significantly different psychological and forensic profile from murderers who kill people they don’t know, reports a new Northwestern Medicine study that examined the demographics, psychiatric history and neuropsychology of these individuals. 508 more words

Science

Genetic overlaps in autoimmune diseases may suggest common therapies

Scientists who analyzed the genes involved in 10 autoimmune diseases that begin in childhood have discovered 22 genome-wide signals shared by two or more diseases. These shared gene sites may reveal potential new targets for treating many of these diseases, in some cases with existing drugs already available for non-autoimmune disorders. 587 more words

Science

Want a better relationship and a better sex life?

If men take up more of the child-care duties, splitting them equally with their female partners, heterosexual couples have more satisfaction with their relationships and their sex lives, according to new research by sociologists.  401 more words

Science

Don't touch that dial: TV's subliminal influence on women's perception of pregnancy and birth

In an era where popular culture is increasingly recognized for its impact on lay understanding of health and medicine, few scholars have looked at television’s powerful role in the creation of patient expectations, especially regarding pregnancy and birth. 884 more words

Science

Anti-aging tricks from dietary supplement seen in mice

In human cells, shortened telomeres, the protective caps at the ends of chromosomes, are both a sign of aging and contribute to it. Scientists have found that the dietary supplement alpha lipoic acid (ALA) can stimulate telomerase, the enzyme that lengthens telomeres, with positive effects in a mouse model of atherosclerosis. 590 more words

Science