Neuroscience

Metabolism in the brain fluctuates with circadian rhythm

(Medical Xpress)—The rhythm of life is driven by the cycles of day and night, and most organisms carry in their cells a common, (roughly) 24-hour beat. In animals, this rhythm emerges from a tiny brain structure called ...

Medical research

How mitochondrial DNA defects cause inherited deafness

(Medical Xpress) -- Yale scientists have discovered the molecular pathway by which maternally inherited deafness appears to occur: Mitochondrial DNA mutations trigger a signaling cascade, resulting in programmed cell death. ...

Genetics

A brighter future for infertility treatment: study

(Medical Xpress) -- Male infertility could soon have a boost through new treatments at a sub-DNA 'epigenetic' level, according to researchers from The Australian National University.

Oncology & Cancer

Cancer's sweet tooth may be its weak link

Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered that cancer cells tap into a natural recycling system to obtain the energy they need to keep dividing. In a study with potential implications ...

Cardiology

Dietary changes may help treat pulmonary hypertension

Blood vessels in the lungs aren't like the others in the body. This difference becomes clear in pulmonary hypertension, in which only the lungs' blood vessels stiffen progressively, leading to chronic lung disease, heart ...

page 3 from 8