Health

How long can humans survive without food or water?

Rita Chretien, a Canadian woman survived being stranded inside a vehicle in Nevada for 48 days, by eating only some trail mix and candy, and drinking water from a stream. Apparently, she and her husband were following their ...

Medical research

Leptin hormone spurs body's shift from burning carbs to fat

To keep the human brain supplied with energy when food was scarce, mammals evolved the ability to switch from burning carbohydrates to burning fat in order to preserve skeletal muscle that would otherwise be metabolized and ...

Medical research

What bacteria don't know can hurt them

Many infections, even those caused by antibiotic-sensitive bacteria, resist treatment. This paradox has vexed physicians for decades, and makes some infections impossible to cure.

Diseases, Conditions, Syndromes

Nodding disease confounds experts, kills children

Patrick Anywar, 14, lies curled up naked in the dust and midday heat of a Ugandan village, struggling to look up at his younger brother and sister playing in front of the family home.

Oncology & Cancer

Exercise slows tumor growth, improves chemotherapy in mouse cancers

One way many cancers grow resistant to treatment is by generating a web of blood vessels that are so jumbled they fail to provide adequate oxygen to the tumor. With oxygen starvation, the tumor gains a sort of cloaking device ...

Genetics

Epigenetics may reveal insights into anorexia

Flinders University's Professor Tracey Wade and a team of researchers at Melbourne's Murdoch Childrens Research Institute are only months from what may be an important turning point in the treatment of anorexia.

Cardiology

Skin found to play a role in controlling blood pressure

Skin plays a surprising role in helping regulate blood pressure and heart rate, according to scientists at the University of Cambridge and the Karolinska Institute, Sweden. While this discovery was made in mice, the researchers ...

page 1 from 3