Neurological News: November 2019

One ketamine shot could help heavy drinkers cut down One ketamine shot could help heavy drinkers cut down
New research finds that the combination of a single shot of ketamine and a memory retrieval technique can significantly reduce alcohol cravings and harmful drinking behavior among people who drink heavily.
Written by Ana Sandoiu | Medical News Today | November 29, 2019.
Through my eyes: Living with an invisible illness Through my eyes: Living with an invisible illness
I was a fit, healthy, and active 26-year-old woman on the adventure of a lifetime: being paid to work with a family in New York. However, my life was turned upside down when I was forced to return home to Australia after just 6 weeks.
Written by Sylvia Arotin | Medical News Today | November 28, 2019.
Board games may stave off cognitive decline Board games may stave off cognitive decline
New research examines the impact of non-digital games, such as board games and cards, on the cognitive ability of older adults.
Written by Ana Sandoiu | Medical News Today | November 28, 2019.
Causes and treatments for twitching fingers Causes and treatments for twitching fingers
A twitch is a small, involuntary contraction and relaxation of a muscle or group of muscles. The medical term for twitches is “fasciculations,” and they can occur in any muscular area, including the fingers.
Written by Jessica Caporuscio, Pharm.D. | Medical News Today | November 27, 2019.
Extra virgin olive oil may protect against various dementias Extra virgin olive oil may protect against various dementias
New research in mice suggests that adopting a diet rich in extra virgin olive oil can prevent the toxic accumulation of the protein tau, which is a hallmark of multiple types of dementia.
Written by Ana Sandoiu | Medical News Today | November 27, 2019.
What to know about thoracic outlet syndrome What to know about thoracic outlet syndrome
Thoracic outlet syndrome refers to a group of conditions characterized by the compression of the nerves, arteries, and veins that pass through the space between the collarbone and the first rib. This space is known as the thoracic outlet.
Written by Jamie Eske | Medical News Today | November 26, 2019.
Everything you need to know about choline Everything you need to know about choline
Choline is a nutrient that supports various bodily functions, including cellular growth and metabolism. The body makes some choline, but the majority comes from dietary sources.
Written by Jamie Eske | Medical News Today | November 25, 2019.
Microvascular ischemic disease: What to know Microvascular ischemic disease: What to know
Microvascular ischemic disease describes conditions that affect the small blood vessels in the brain. These conditions include stroke, cerebral hemorrhage, and dementia.
Written by Jamie Eske | Medical News Today | November 25, 2019.
Study shows the progression of multiple sclerosis can be slowed Study shows the progression of multiple sclerosis can be slowed
Multiple sclerosis (MS) is difficult to diagnose, and, as yet, it has no cure. However, according to new research, it may be possible to slow its progression without some of the health risks associated with current treatments.
Written by Lisa Templeton | Medical News Today | November 25, 2019.
Sleep deprivation 'triples the number of lapses in attention' Sleep deprivation ‘triples the number of lapses in attention’
A new study adds to the evidence that sleep deprivation has a significant effect on our day-to-day functioning. The authors warn that if we have slept poorly overnight, we are twice as likely to commit errors, some of which may well be very costly.
Written by Maria Cohut, Ph.D. | Medical News Today | November 24, 2019.
Can the gut microbiome unlock the secrets of aging?' Can the gut microbiome unlock the secrets of aging?
A new study has shown how the gut microbiota of older mice can promote neural growth in young mice, leading to promising developments in future treatments.
Written by Amy Pashler | Medical News Today | November 24, 2019.
What to know about recovering from concussion What to know about recovering from concussion
People fully recover from concussion within 1 month in most cases. Some factors can help recovery, including getting plenty of rest and eating a healthful, high protein diet.
Written by Danielle Dresden | Medical News Today | November 22, 2019.
Inflammation drives tau damage in Alzheimer's Inflammation drives tau damage in Alzheimer’s
Scientists have found an inflammation mechanism that appears to play a key role in the formation of the toxic tau proteins that characterize Alzheimer’s and other brain diseases.
Written by Catharine Paddock, Ph.D. | Medical News Today | November 22, 2019.
Brain cancer: Lithium may restore cognitive function after radiation Brain cancer: Lithium may restore cognitive function after radiation
Radiation treatment saves lives, but it can also have a detrimental effect on the brain. New findings suggest that a well-known medication can reverse the damage.
Written by Lauren Sharkey | Medical News Today | November 22, 2019.
Alzheimer's: Poor air quality may contribute to cognitive decline Alzheimer’s: Poor air quality may contribute to cognitive decline
More evidence points to the idea that air pollution may increase the risk of Alzheimer’s disease. A new study suggests that tiny polluting particles carried by dirty air can enter the brain, possibly contributing to cognitive decline.
Written by Maria Cohut, Ph.D. | Medical News Today | November 22, 2019.
The brain finds a way to adapt, even when we remove half The brain finds a way to adapt, even when we remove half
A fascinating new study involving people who underwent hemispherectomy — surgery to remove one of the brain’s hemispheres — in childhood shows that these individuals now display almost no immediately obvious effects of this procedure.
Written by Maria Cohut, Ph.D. | Medical News Today | November 21, 2019.
Omega-3 supplements improved attention in some youths with ADHD Omega-3 supplements improved attention in some youths with ADHD
Omega-3 fish oil supplements can improve attention in some youths with attention deficit hyperactivity disorder (ADHD), according to a new study.
Written by Catharine Paddock, Ph.D. | Medical News Today | November 21, 2019.
How a hallucinogenic brew makes the brain live in a dream How a hallucinogenic brew makes the brain live in a dream
Ayahuasca is a psychoactive brew that people from the Amazonian regions traditionally use as a spiritual medicine. This brew reportedly induces strong hallucinations, but what, exactly, does it do to the brain?
Written by Maria Cohut, Ph.D. | Medical News Today | November 21, 2019.
What to do about a dent in the head What to do about a dent in the head
Not everyone has the same skull shape, and normal variations exist among individuals. The skull is not perfectly round or smooth, so it is normal to feel slight bumps and ridges.
Written by MaryAnn De Pietro, CRT | Medical News Today | November 19, 2019.
Plant-based diet may prevent cognitive decline Plant-based diet may prevent cognitive decline
New research finds that following a diet rich in plant-based foods and low in animal products during midlife is associated with a significantly lower risk of cognitive impairment later in life.
Written by Ana Sandoiu | Medical News Today | November 18, 2019.

Common fire retardant makes prairie voles anxious, less social
Common fire retardant makes prairie voles anxious, less social

New research finds that the common fire retardant Firemaster 550 (FM 550) makes both male and female prairie voles less sociable and more anxious. The findings shed new light on how exposure to such chemicals affects the social brain.
Written by Ana Sandoiu | Medical News Today | November 18, 2019.

What are the health benefits of saffron?
What are the health benefits of saffron?

Saffron is a spice with a strong fragrance and distinctive color. The spice is also rich in antioxidants, which may have many health benefits.
Written by Jon Johnson | Medical News Today | November 15, 2019.

What to know about hallucinations
What to know about hallucinations

Hallucinations can be a sign of a mental health illness, but they do not always mean a person is unwell. Hallucinations are, in fact, relatively common.
Written by Zawn Villines | Medical News Today | November 14, 2019.

What to know about paranoid personality disorder
What to know about paranoid personality disorder

People with paranoid personality disorder have a deep and unwarranted mistrust of others, which tends to have a significant effect on their relationships with family, friends, and co-workers.
Written by Jessica Caporuscio, Pharm.D. | Medical News Today | November 14, 2019.

Allergies and dizziness: What's the link?
Allergies and dizziness: What’s the link?

An allergy is the immune system’s reaction to a foreign substance, or allergen, in the body. Typical symptoms of seasonal and environmental allergies include a runny nose, sneezing, sinus congestion, and itchy eyes.
Written by Jessica Caporuscio, Pharm.D. | Medical News Today | November 14, 2019.

Illiteracy may triple dementia risk
Illiteracy may triple dementia risk

New research suggests that not being able to read or write can raise the chances of developing dementia by two or three times.
Written by Ana Sandoiu | Medical News Today | November 14, 2019.

What can cause itchy lower legs?
What can cause itchy lower legs?

Various health conditions, as well as issues such as insect bites and shaving, can cause the lower legs to itch. Some causes are relatively benign, while others are more serious.
Written by Jenna Fletcher | Medical News Today | November 13, 2019.

A guide to the spinal cord: Anatomy and injuries
A guide to the spinal cord: Anatomy and injuries

The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. It carries signals between the brain and the rest of the body.
Written by Rachel Nall, MSN, CRNA | Medical News Today | November 12, 2019.

Scientists propose new theory of Parkinson's disease
Scientists propose new theory of Parkinson’s disease

As scientists delve deeper into the nature of Parkinson’s, the more it appears that it is highly varied, suggesting numerous subtypes. A new review proposes that Parkinson’s falls into one of two main categories, depending on whether it originates in the central nervous system (CNS) or the peripheral nervous system (PNS).
Written by Catharine Paddock, Ph.D. | Medical News Today | November 12, 2019.

What to know about positional headaches
What to know about positional headaches

A positional headache is a type of headache that usually occurs when sitting or standing up and goes away fairly shortly after lying down. Positional headaches are also known as orthostatic, postural, and low pressure headaches.
Written by Jennifer Huizen | Medical News Today | November 11, 2019.

Does childhood cognition predict dementia risk later in life?
Does childhood cognition predict dementia risk later in life?

To what extent do factors such as education and socioeconomic position affect our thinking skills and memory over time? Not as much as one might think, a new study suggests.
Written by Lisa Templeton | Medical News Today | November 10, 2019.

10 exercises for a pinched nerve in the neck
10 exercises for a pinched nerve in the neck

A pinched nerve is a nerve that has become irritated or compressed. The nerve is not necessarily pinched, but people use this term to refer to a range of symptoms. A pinched nerve can occur at various sites in the body, including the neck. When it affects the neck, doctors call it cervical radiculopathy.
Written by Zawn Villines | Medical News Today | November 8, 2019.

Déjà vu in hindsight: Why we believe in false premonitions
Déjà vu in hindsight: Why we believe in false premonitions

Researchers already know that déjà vu — the feeling that we have already had a particular experience before and are now reliving it — can come with a false sense of premonition. But is it also linked with a sense of postdiction — the feeling that our false premonition was, in fact, correct?
Written by Maria Cohut, Ph.D. | Medical News Today | November 8, 2019.

What causes a numb face?
What causes a numb face?

Numbness means an absence of feeling or loss of sensation. A numb face can be a symptom of one of many health conditions, including migraine and allergies.
Written by Cameron White, M.D., MPH | Medical News Today | November 7, 2019.

The temporal bone: Anatomy and function
The temporal bone: Anatomy and function

The temporal bone consists of a pair of bones that help make up the skull.
Written by Jessica Caporuscio, Pharm.D. | Medical News Today | November 7, 2019.

What connects depression, anxiety, and PTSD?
What connects depression, anxiety, and PTSD?

In the largest study of its kind, researchers identify similarities in the brain activity of people with major depressive disorder, post-traumatic stress disorder, bipolar disorder, and anxiety disorders.
Written by Tim Newman | Medical News Today | November 7, 2019.

Which supplements can help with neuropathy?
Which supplements can help with neuropathy?

Neuropathy is nerve damage that often occurs in people with diabetes and as a side effect of chemotherapy. Although lifestyle changes and conventional treatments may ease symptoms of neuropathy, supplements may also help.
Written by Zawn Villines | Medical News Today | November 6, 2019.

What to know about hepatic encephalopathy
What to know about hepatic encephalopathy

Hepatic encephalopathy (HE) is a decline in brain function that results from a build-up of toxins in the blood.
Written by Jenna Fletcher | Medical News Today | November 6, 2019.

Doctors call for end to daylight saving time transitions
Doctors call for end to daylight saving time transitions

Doctors writing in a leading medical journal have put forth a case for doing away with daylight saving time (DST) transitions. They argue that these annual transitions to and from DST misalign biological clocks, with long term consequences for health.
Written by Catharine Paddock, Ph.D. | Medical News Today | November 6, 2019.

Deep sleep may help treat anxiety
Deep sleep may help treat anxiety

Researchers have known for a while about a connection between insufficient sleep and anxiety. A new study strengthens and quantifies this causal relation and shows that a sleepless night can raise anxiety by up to 30%.
Written by Ana Sandoiu | Medical News Today | November 6, 2019.

Does waist size predict dementia risk?
Does waist size predict dementia risk?

The first large-scale cohort study of its kind looked at the link between waist circumference in later life and the risk of dementia in a population of older Asian adults.
Written by Ana Sandoiu | Medical News Today | November 5, 2019.

Brachial neuritis: Everything you need to know
Brachial neuritis: Everything you need to know

Brachial neuritis can cause pain, burning, unusual sensations, and weakness around the shoulder. The symptoms may also spread to the hands, arms, or chest.
Written by Zawn Villines | Medical News Today | November 4, 2019.

How waste gets 'washed out' of our brains during sleep
How waste gets ‘washed out’ of our brains during sleep

For the first time, a new study has observed that cerebrospinal fluid washes in and out of the brain in waves during sleep, helping clear out waste.
Written by Maria Cohut, Ph.D. | Medical News Today | November 2, 2019.

What can cause pain in the temple?
What can cause pain in the temple?

Pain in the temples is very common. While many factors can cause it, this pain most often stems from stress or tension. Temple pain can result from an underlying medical condition, though this is rare.
Written by Bethany Grayland-Leech | Medical News Today | November 1, 2019.

What to know about headaches at night
What to know about headaches at night

There are various types of headache that can affect people during the night. Certain types of headache only happen at night, while some are far more likely to occur during the night or early hours of the morning.
Written by Beth Sissons | Medical News Today | November 1, 2019.

How to help a teen with depression
How to help a teen with depression

Teen depression is more than just sadness, moodiness, or a hormone-induced adolescent rite of passage. Depression is a serious illness that can affect a teen’s physical health, relationships, ability to succeed in school, and sense of self-worth.
Written by Zawn Villines | Medical News Today | November 1, 2019.

Do our reading lists determine how we process language?
Do our reading lists determine how we process language?

Researchers behind a new analysis argue that the books that we have access to may shape the ways in which our brains process and organize language.
Written by Maria Cohut, Ph.D. | Medical News Today | November 1, 2019.