Parkinson’s disease (PD) is a neurodegenerative disorder characterized by the loss of dopamine-producing neurons. Dopamine plays an important role in PD development. Here are some key facts: Dopamine is a chemical messenger in the brain involved in movement, motivation, and mood. Loss of dopamine-producing neurons causes the motor symptoms of PD like tremors, rigidity, and …
Trouble sleeping may raise your risk of dementia later in life, according to a new 19-year study of over 22,000 middle-aged and older adults in Sweden. Both insomnia symptoms and shorter sleep were linked to higher chances of developing dementia down the road. Key facts: Adults reporting insomnia symptoms had an 18% higher risk of …
A new study looked at how having diabetes may impact brain health in Native Americans. The researchers found that the longer someone had diabetes, the more it affected their brain. But other health issues like obesity did not appear to impact the brain as much. Key facts: The study involved 51 Native Americans with type …
Researchers have uncovered an important new mechanism that causes inflammation and damage to the brain’s white matter in Alzheimer’s disease. This discovery about how brain cells called microglia die could lead to new Alzheimer’s treatments. Key Facts: The study found that microglia, which are immune cells in the brain, die through a process called “ferroptosis” …
Obesity has been linked to faster brain aging, but can losing weight turn back the clock? A new study provides compelling evidence that shedding pounds through lifestyle changes may attenuate brain aging. Key facts: Participants lost an average of 5% of body weight after 18 months of diet and exercise Just 1% weight loss corresponded …
