People who are obese may be more susceptible to environmental food cues than their lean counterparts due to differences in brain chemistry that make eating more habitual and less rewarding, according to a new study.
Taking benzodiazepines (widely prescribed drugs to treat anxiety and insomnia) is associated with an increased risk of developing Alzheimer's disease, particularly for long-term users, suggests a new study.
Scientists have discovered a novel cause of glaucoma in an animal model, and related to their findings, are now developing an eye drop aimed at curing the disease. They believe their findings will be important to human glaucoma.
Some people avoid risks at all costs, while others will put their wealth, health, and safety at risk without a thought. Researchers have found that the volume of the parietal cortex in the brain could predict where people fall on the risk-taking spectrum.
For detecting cancer, manual breast exams seem low-tech compared to other methods such as MRI. But scientists are now developing an “electronic skin” that “feels” and images small lumps that fingers can miss.
Numerous studies have linked social interaction to improved health and survival in humans, and new research confirms that the same is true for baboons.
Scientists have developed a mathematical and computational technology that allows researchers to more accurately map the large, long connections within the white matter tissue of living human brains.
People with asthma often have a hard time dealing with respiratory viruses such as the flu or the common cold, and researchers have struggled to explain why. Now, the answer is becoming clearer.
People can become addicted to eating for its own sake but not to consuming specific foods such as those high in sugar or fat, new research suggests. An international team of scientists has found no strong evidence for people being addicted to the chemical substances in certain foods.
Scientists found that xenon, given within hours of the initial brain injury, limits brain damage and improves neurological outcomes in mice, both in the short term and long term.
New research published in the Proceedings of the National Academy of Science (PNAS) shows three genetic variants in humans that can account for a couple of IQ points– but before you get excited, these are only three variants out of likely thousands.
A surge in Ebola infections in Liberia is driving a spiraling outbreak in West Africa that is increasingly putting health workers at risk as they struggle to treat an overwhelming number of patients.
Are humans programmed to tell the truth? Not when lying is advantageous, says a new study. The report ties honesty to a region of the brain that exerts control over automatic impulses.
A meta-analysis comprising 16 studies and 891,426 participants from various regions of the world shows that prediabetes increases the risk of cancer by 15 percent, with differing risks depending on the type of cancer.
Figuring out how blank slate stem cells decide which kind of cell they want to be when they grow up— a muscle cell, a bone cell, a neuron— has been no small task for science. Now, a team of researchers has added a new wrinkle to the cell differentiation equation.
Life can be so intricate and novel that even a single cell can pack a few surprises, according to a new study. The pond-dwelling, single-celled organism Oxytricha trifallax has the remarkable ability to break its own DNA into nearly a quarter-million pieces and rapidly reassemble those pieces when it's time to mate, the study says.
Working with mice, a multicenter team of researchers has found a new way to reduce the abnormal blood vessel growth and leakage in the eye that accompany some eye diseases.
Hundreds of children in about a dozen states have been sickened by a severe respiratory illness that public health officials suspect may be caused by an uncommon virus similar to the germ that causes the common cold.
The United States and Britain plan to send military personnel to help contain West Africa's Ebola outbreak, as the World Health Organization warned Monday that many thousands of new infections are expected in Liberia in the coming weeks.
The National Institutes of Health said it has uncovered a nearly century-old container of ricin and a handful of other forgotten samples of dangerous pathogens as it combs its laboratories for improperly stored hazardous materials.
Key discoveries about breast cancer, Parkinson's disease and the body's handling of defective proteins have earned prestigious medical awards for five scientists. The Albert and Mary Lasker Foundation announced the winners Monday.
A team of investigators has made a thought-provoking discovery about a type of cholesterol previously believed to be a "bad guy" in the development of heart disease and other conditions.
It may look like fresh blood and flow like fresh blood, but the longer blood is stored, the less it can carry oxygen into the tiny microcapillaries of the body, says a new study.
Postmenopausal women who eat foods higher in potassium are less likely to have strokes and die than women who eat less potassium-rich foods, according to new research.
Neurovascular relationships are especially important in the brain. Studies have shown that when neurons work hard, blood flow increases to keep them nourished. Scientists have been asking whether neural activity also changes the structure of local vascular networks. According to new research, the answer is yes.