These Microbes Could Make You More Attractive to Mosquitoes, Mice Study Finds

These Microbes Could Make You More Attractive to Mosquitoes, Mice Study Finds

Mosquitoes are the world’s deadliest animal. Over 1 million deaths per year are attributed to mosquito-borne diseases, including malaria, yellow fever, dengue fever, Zika, and chikungunya fever. How mosquitoes seek out and feed on their hosts are important factors in how a virus circulates in nature. Mosquitoes spread diseases by acting as carriers of viruses … Read more

Breast Cancer Spreads More Aggressively at Night, Startling New Study Finds

Breast Cancer Spreads More Aggressively at Night, Startling New Study Finds

When people with metastatic breast cancer close their eyes at night, their cancer awakens and starts to spread. That’s the striking finding from a paper published in Nature this week that overturns the assumption that breast cancer metastasis happens at the same rate around the clock. The result may change the way that doctors collect … Read more

Sleep Helps The Brain Process Emotions, And a New Study in Mice Reveals How

Sleep Helps The Brain Process Emotions, And a New Study in Mice Reveals How

A new study has revealed an important way in which sleep helps the brain process emotions for the next day, and while the findings were discovered in mice, they could also help us solve some of the mysteries of human sleep. The role of sleep in brain function is still very much an enigma, but … Read more

Fecal transplant can successfully reverse aging in mice

Fecal transplant can successfully reverse aging in mice

Oscar Wilde’s Dorian Gray kept his youth by aging only in a painting, thanks to a curse. As humans cannot magically preserve their youth through dark magic, fecal transplants are being studied as the next fountain of youth that might turn back the biological clock. It’s exactly as you are imagining: The excrement of one … Read more

A Single Hormone That Can Help Increase Lifespan Has Been Identified in Mice

A Single Hormone That Can Help Increase Lifespan Has Been Identified in Mice

Low-protein diets appear to have incredible benefits for the health and lifespans of rodents, fruit flies, and yeast. A new study in mice has now identified a single hormone that is essential for these curious anti-aging effects. The hormone is called fibroblast growth factor 21 (FGF21), and it is secreted by the liver. In recent … Read more

There’s a Major Issue With How We Treat Lab Mice, And It Could Affect Study Results

There's a Major Issue With How We Treat Lab Mice, And It Could Affect Study Results

Over 120 million laboratory rats and mice are used worldwide each year. Many are used to study distressing conditions like cancer, arthritis and chronic pain, and nearly all spend their lives in small, empty box-like cages: a kind of permanent lockdown. Our new analysis shows that this restrictive, artificial housing causes rats and mice to … Read more

Effects of Aging Have Been Reversed by Putting Young Mouse Poop in Old Mice

Effects of Aging Have Been Reversed by Putting Young Mouse Poop in Old Mice

It sounds like something that might have come out of a sci-fi novel, but it’s based on cold, hard, printed research: transplanting fecal microbes from young mice into old mice seems to reverse key signs of aging in the guts, eyes, and brains of the older animals. Further experiments showed that it works the other … Read more

Newly Identified Lupus-Causing Gene Provides a Potential Target For Better Treatments

Newly Identified Lupus-Causing Gene Provides a Potential Target For Better Treatments

Gabriela experienced the painful joint inflammation and draining fatigue that was her own immune system turning against her at an early age. Presenting with scarily high blood pressure and a leaky heart valve, the young Spanish patient was diagnosed with a severe case of lupus when she was only seven years old. Now Gabriela’s genome … Read more

Male Contraceptive Pill Found 99% Effective in Mice, With No Observable Side Effects

Male Contraceptive Pill Found 99% Effective in Mice, With No Observable Side Effects

A team of scientists said Wednesday they had developed a male oral contraceptive that was 99 percent effective in mice and didn’t cause observable side effects, with the drug expected to enter human trials by the end of this year. The findings will be presented at the American Chemical Society’s spring meeting, and mark a … Read more

A Toxic Fungus Could Be Contributing to Some People’s Irritable Bowel Disease

A Toxic Fungus Could Be Contributing to Some People's Irritable Bowel Disease

Some strains of yeast in the human gut can produce toxins that could contribute to irritable bowel disease (IBD), according to new research. These “high-damaging” Candida albicans yeast strains aren’t usually a problem when they are kept in balance, but in the guts of those with IBD, the fungi appear to proliferate, triggering inflammation. The … Read more