Neuroscience

Born to survive—How human neurons manage to live a century

Essentially all human tissues and organs have the capacity to heal, to renew cells which are damaged or killed. In this context, the human brain behaves fundamentally differently. The vast majority of nerve cells are created ...

Genetics

Neurodegeneration can be studied long before symptoms arise

Many changes take place in the brain long before symptoms appear. This has been shown in mice in two studies of prion diseases in which the brain gradually deteriorates. The results suggest that changes can be studied extremely ...

Alzheimer's disease & dementia

Mouse study explores Alzheimer's link to the X chromosome

Evidence in mouse and human brain tissue reveals a mechanism that may explain the sex-based differences in Alzheimer's disease, including why females are more vulnerable. Researchers report October 4 in the journal Cell that ...

Medical research

Scientists eavesdrop on communication between fat and brain

What did the fat say to the brain? For years, it was assumed that hormones passively floating through the blood were the way that a person's fat—called adipose tissue—could send information related to stress and metabolism ...

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