Psychology & Psychiatry

Stress hormones spike as the temperature rises

A new study in medical students finds that summer, not winter, is the season when people are most likely to have higher levels of circulating stress hormones. These non-intuitive findings contradict traditional concepts of ...

Health

Mental, not physical, fatigue affects seniors' walking ability

Low "mental energy" may affect walking patterns in older adults more than physical fatigue. New research about the relationship between walking ability and self-reported mood will be presented today at the American Physiological ...

Health

Drinking water may help exercising seniors stay mentally sharp

Older people should drink more water to reap the full cognitive benefits of exercise, new research suggests. The study, to be presented today at the American Physiological Society (APS) annual meeting at Experimental Biology ...

Diseases, Conditions, Syndromes

Genotype may identify complication likelihood in sickle cell patients

Researchers have found a genotype that could help identify sickle cell disease (SCD) patients at greatest risk of common, yet severe, complications of SCD. The findings will be presented today at the American Physiological ...

Medical research

Gut bacterial makeup may exacerbate pain in sickle cell disease

An overabundance of the bacteria Veillonella in the digestive tract may increase pain in patients with sickle cell disease (SCD). Researchers from Howard University will present their findings today at the American Physiological ...

Medical research

Stress, fear of pain may be cause of painful sickle cell episodes

Mental stress and the anticipation of pain may cause blood vessels to narrow and trigger episodes of severe pain (vaso-occlusive crisis, or VOC) in sickle cell disease (SCD). A team of researchers from California will present ...

Medical research

Mom's, not dad's, mitochondria create healthy embryos

Mammal embryos shed paternal mitochondria within days of fertilization, perhaps to ensure the offspring a healthy life, a new study shows. Researchers from the California Institute of Technology will present their findings ...

page 3 from 8