Medical research

Obese mice lose anxiety when 'zombie cells' exit their brain

Mayo Clinic researchers and collaborators have shown in mice that obesity increases the level of "zombie" or senescent cells in the brain, and that those cells, in turn, are linked to anxiety. When senolytic drugs are used ...

Neuroscience

The smell of lavender is relaxing, science confirms

Lavender works its relaxing magic all around us: from garden borders to bath bombs to fabric softener. But why not in our hospitals and clinics? And what is the science behind the magic?

Neuroscience

Researchers uncover new target of alcohol in the brain

When alcohol enters the brain, it causes neurons in a specialized region called the ventral tegmental area, or VTA—also known as the "pleasure center"—to release dopamine, a neurotransmitter that produces those feel-good ...

Alzheimer's disease & dementia

Study clarifies ApoE4's role in dementia

ApoE4, a protein linked to both Alzheimer's disease and a form of dementia caused by damage of blood vessels in the brain, increases the risk of cognitive impairment by reducing the number and responsiveness of blood vessels ...

Medical research

Receptor protein in the brain controls the body's fat 'rheostat'

Scientists at the University of Michigan and Vanderbilt University have identified the function of a protein that has been confounding metabolism researchers for more than two decades. And it may have implications both for ...

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