The placebo effect combined with dopamine levels can determine whether symptoms of depression and social anxiety will improve in patients prescribed SSRI antidepressants. Researchers found the positive effect of the medications was four times higher in patients with high expectations the treatment would work compared to those with lower expectations.
During the waxing period of the lunar cycle, men exhibited lower sleep efficiency and more time awake after sleep onset than during the waning period. By contrast, sleep patterns in women did not appear to change over the lunar cycle.
Despite the Y chromosome containing very few genes, it can dramatically alter male body size and may facilitate the evolution of sex differences.
Researchers found lymph-node-like structures close to glioma brain tumors in cancer patients. The study reveals immune cells within these structures can be activated to attack the brain tumor.
Airway hyperresponsiveness in asthma induced by methacholine is partly due to mast cells, a new study reports.
Propranolol, a beta-blocker commonly used to treat haemangioma in children and cardiovascular disease, can also be used to treat cerebral cavernous malformations, a condition characterized by misshapen neural blood vessels.
Older men who experience higher blood pressure at night could be at a higher risk of Alzheimer's disease.
Study reports the balance between serotonin and dopamine may be a risk factor for a person developing social anxiety disorder.
Following a night of sleep deprivations, levels of tau in the blood increase 17% in healthy young men.
An eye-tracking study of 10-month-old infants reveals children later diagnosed on the autism spectrum seldom initiate joint attention. Findings suggest children with ASD already have reduced social motivation as infants.
Large twin study finds a strong genetic contribution to dog ownership in adulthood. Researchers speculate genetic variations may have contributed to the human ability to domesticate dogs and other animals.