Medical research

Why do neurons die in Parkinson's disease?

Current thinking about Parkinson's disease is that it's a disorder of mitochondria, the energy-producing organelles inside cells, causing neurons in the brain's substantia nigra to die or become impaired. A study from Children's ...

Medications

Ultrasound-triggered liposomes for on-demand, local anesthesia

Researchers at Boston Children's Hospital have found a new way to non-invasively relieve pain at local sites in the body; such systems could one day improve pain management by replacing addictive opioids and short-lasting ...

Medical research

Key molecule of aging discovered

Every cell and every organism ages sooner or later. But why is this so? Scientists at the German Cancer Research Center in Heidelberg have now discovered for the first time a protein that represents a central switching point ...

Gerontology & Geriatrics

New approach enhances muscle recovery in aged mice

Scientists have developed a promising new method to combat the age-related losses in muscle mass that often accompany immobility after injury or illness. Their technique, demonstrated in mice, arrests the process by which ...

Medical research

Sperm quality study updates advice for couples trying to conceive

Could doctors at fertility clinics be giving men bad advice? Dr. Da Li and Dr. XiuXia Wang, who are clinician-researchers at the Center for Reproductive Medicine of Shengjing Hospital in Shenyang in northeast China, think ...

Neuroscience

Cannabinoids decrease the metabolism of glucose in the brain

The nervous system comprises neurons and glial cells (glia means 'glue'). Astrocytes are the most abundant among the glial cells. Among many other functions they undertake to capture glucose from the blood stream to provide ...

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