Health

Studies offer no clear answers on safety of cellphone use

Two government studies that bombarded rats and mice with cellphone radiation found a weak link to some heart tumors, but scientists and federal regulators say don't worry—it is still safe to use your device.

Diseases, Conditions, Syndromes

Diabetes makes bones less bendable, more prone to fracture

Besides impairing cardiovascular and kidney function, Type 2 diabetes is known to be a risk factor for bone fractures – but exactly how diabetes makes bones more fragile has been unclear.

Diseases, Conditions, Syndromes

Rats may not have driven the black death plague after all

(HealthDay)—It's thought to have killed between 30 and 60 percent of Europe's population, but the Black Death plague may not have been spread by flea-infested rats, Norwegian scientists report.

Neuroscience

The brain's GPS has a buddy system

To be successful as a social animal, you need to know where you stand relative to others. Brain cells that perform precisely this function—locating the 'self' and others in space—have now been identified. In rats, the ...

Neuroscience

Danger changes how rat brain stores information

The male rat brain changes how it stores information depending on whether the environment in which it learns is safe or dangerous, according to new research published in eNeuro.

Psychology & Psychiatry

Helpful intestinal bacteria counteracts tendency to depression

New research suggests that probiotics, which are active in the intestines, also have an effect on the brain. A study at Aarhus University suggests they protect against depression. In the animal study at the Department of ...

Neuroscience

Restoring aging genes in rats

Overexpression of a protein that regulates calcium homeostasis in hippocampal neurons can safely and effectively reverse and prevent age-related memory impairments in rats while restoring altered gene expression, finds new ...

Cardiology

Early-life trauma may increase heart disease risk in adults

Stress in early life may change the immune response in the kidneys, increasing the risk of heart disease later in life, according to a new study. The paper, published ahead of print in the American Journal of Physiology—Renal ...

Diseases, Conditions, Syndromes

New compound stops progressive kidney disease in its tracks

Progressive kidney diseases, whether caused by obesity, hypertension, diabetes, or rare genetic mutations, often have the same outcome: The cells responsible for filtering the blood are destroyed. Reporting today in Science, ...

Medical research

Lab-engineered ovaries superior to hormone drugs in animal model

New research in rats suggests the possibility of bioengineering artificial ovaries in the lab to provide a safer, more natural hormone replacement therapy for women. A team from Wake Forest Institute for Regenerative Medicine ...

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