cognitive impairment

Exposure to cadmium, a known human carcinogen, even at levels found in people who do not smoke cigarettes, leads to accelerated cognitive impairment, according to a new animal study. Those with genetic risk of developing Alzheimer’s disease, particularly males, are most vulnerable to the adverse health effects, the study suggests. “This heavy metal is bad… Read more

Sleep deprivation affects us much more than prior theories have suggested, one of the largest sleep studies to date reveals[1]. “Our research showed that sleep deprivation doubles the odds of making placekeeping errors and triples the number of lapses in attention, which is startling. Sleep-deprived individuals need to exercise caution in absolutely everything that they… Read more

Even the earliest stage of hearing loss — when hearing is still considered normal — is linked to cognitive decline, according to a study[1] from researchers at Columbia University Vagelos College of Physicians and Surgeons. Age-related hearing loss is one of the most common health disorders of aging, affecting two-thirds of those over age 70… Read more

Evidence that psychological problems such as depression and anxiety increase risk for dementia later in life is growing. These problems, known as affective disorders, as well as poor cognitive function are, of course, not unusual in older adulthood. After age 70, for example, it has been estimated that the both lower mood and poor cognition… Read more

Depression symptoms in cognitively healthy older individuals together with brain amyloid, a biological marker of Alzheimer’s, could trigger changes in memory and thinking over time, researchers from Massachusetts General Hospital (MGH) report. “Our research found that even modest levels of brain amyloid deposition can impact the relationship between depression symptoms and cognitive abilities. This raises… Read more