Flashes of light in your eye happen when something stimulates the retina, often due to fibers in your eye’s vitreous fluid tugging on the retinal surface. The most common cause is posterior vitreous ...

Oct. 19, 2026 Scientists have uncovered an unexpected culprit behind sleep loss in Alzheimer’s disease: overactive immune cells in the brain. By temporarily removing these cells, researchers restored ...

Peripheral neuropathy occurs when nerves outside your brain and spinal cord are damaged, causing symptoms such as numbness, tingling, pain, muscle weakness, or digestive issues, depending on which ...

A potential alibi surfaces … and then disappears again, at the worst possible time for Adnan’s case. Hosted and produced by Sarah Koenig; produced by Julie Snyder and Dana Chivvis; editorial advisory ...

Peripheral neuropathies are a group of diseases that cause acute and/or chronic impairment or damage to the nerves belonging to the peripheral nervous system, such as motor nerves or sensory nerves.

The detectives get a lead that opens the case up for them. Hosted and produced by Sarah Koenig; produced by Julie Snyder and Dana Chivvis; editorial advisory by Ira Glass. A few days after Hae Min Lee ...

The peripheral nervous system is the part of the nervous system outside the brain and spinal cord. It consists of nerves that carry information between the central nervous system and the extremities ...