A High-definition Map Of Liver Cells In Health And Disease

Liver Cells
Researchers have created a high-resolution picture of the cells at work inside a key hub of metabolism — the liver — and shown how disease reprograms individual cell types. In every tissue throughout our bodies, various cell types communicate and coordinate their efforts to perform vital functions and maintain health. The new research not only …

Gene Expression Rhythms Are Disrupted In Schizophrenia-Affected Brains

mitosis
Rhythms in gene expression in the brain are highly disrupted in people with schizophrenia, according to a new University of Pittsburgh-led study. The findings also suggest that researchers studying schizophrenia-linked genes in the brain could have missed important clues that would help understand the disease. "Our study shows for the first time that there are …

Depression Symptoms In Alzheimer’s Could Be Signs For Cognitive Decline

walking
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 …

Psychostimulants Hinder Sleep And Memory With Little Benefit

student adhd
Taking nonprescribed psychostimulants may slightly improve a person’s short-term focus but impede sleep and mental functions that rely on it — such as working memory. The use of prescription stimulants by those without medically diagnosed conditions marks a growing trend among young adults — particularly college students seeking a brain boost. “Healthy individuals who use …

Viruses Aren’t All Nasty – Some Can Actually Protect Our Health

beneficial viral infection
Viruses are mostly known for their aggressive and infectious nature. It’s true, most viruses have a pathogenic relationship with their hosts – meaning they cause diseases ranging from a mild cold to serious conditions like severe acute respiratory syndrome (SARS). They work by invading the host cell, taking over its cellular machinery and releasing new …

Music And Dance Has Positive Effect On Older Adults With Dementia

dance
A pilot study at University of Otago has demonstrated the powerful influence music and dance can have on older adults with dementia, who are stereotypically viewed as passive and immobile. Researchers used familiar, reminiscent music and the natural gestures of a group of 22 participants to create an original series of dance exercises. Lead author …