Impulsive behavior: What happens in the brain?

A recent study, carried out in rats, investigates which neural pathways and neurotransmitters might play a role in impulsive behavior.

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What to know about codeine withdrawal

Codeine is a prescription medication that can sometimes cause addiction. A person who is dependent on codeine may experience withdrawal symptoms when they stop taking the drug. Learn about the symptoms of codeine withdrawal and their expected duration here, as well as the various treatment options available.

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What causes dizziness after a workout?

Feeling dizzy after a workout is sometimes a sign that a person has overexerted themselves, is dehydrated, or has low blood pressure. Learn more about these and other causes in this article.

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Why are my forearms itching?

Itchy forearms are not usually the result of a serious medical condition but can be very irritating. Read this article for more information on the possible causes and how to treat them.

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Alcohol intake and reduced brain volume: What explains the link?

Data from three different studies suggest that lower brain volume and a propensity for alcohol use may have the same underlying cause: genetic factors.

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How does alcohol affect Crohn's disease?

Alcohol and many other foods and drinks can cause flare-ups for people with Crohn’s disease. Here, learn more about the relationship between alcohol and Crohn’s, what the research says, and how to manage the symptoms.

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What to know about GABA

GABA (gamma-aminobutyric acid) is an inhibitory neurotransmitter in the brain. Learn how increased levels of GABA impact the brain and body. We also look at the possible benefits of taking GABA supplements.

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Cannabinoid use for mental health conditions lacks evidence

A meta-analysis of 83 studies finds insufficient evidence to support the use of medicinal cannabinoids to treat six mental health conditions.

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Some narcissistic traits may be useful for mental health

Some researchers maintain that certain narcissistic traits could actually help safeguard mental health, offering a buffer against stress and depression.

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What's the link between anxiety and shortness of breath?

Shortness of breath is one possible symptom of anxiety. In this article, we look at why anxiety causes this symptom, how to tell whether it is the cause, and treatments.

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Common symptoms of depression: What to know

Depression is a common and serious mental health condition. In this article, learn about 13 of the common symptoms, which include irritability and persistent feelings of sadness.

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What to know about pressure in the temples

There are many causes of pressure in the temples. They include certain types of headache, head injuries, and some more serious conditions. Learn more here.

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What causes excessive sleepiness?

Excessive sleepiness often occurs following a poor night's sleep. In some cases, it may be a symptom of a sleep disorder or another underlying health condition. Read on to discover the causes of excessive sleepiness, as well as their symptoms and treatments.

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A new drug could improve dermatitis after a single dose

A proof-of-concept trial has shown that a single dose of a new drug might significantly improve the symptoms of atopic dermatitis, a common skin condition.

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What to know about herniated disc surgery

People who have a herniated disc may need surgery to alleviate pain and other symptoms. Find out here about the different surgical options and their risks, plus the recovery process.

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Brain immune cells may protect against OCD, anxiety

In a new study in mice, scientists have linked a subset of brain immune cells with a defined genetic lineage to obsessive compulsion and anxiety.

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Do stress-related disorders raise the risk of infections?

New research suggests that post-traumatic stress disorder and other stress-related conditions may raise the risk of certain infections by up to 63%.

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What to know about hair growth

The rate of a person’s hair growth depends on several factors, from genetics to what they eat. Find out more about the process of hair growth and what may affect its speed here.

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Monkeys: Past social stress impacts genes, health

New research suggests socially stressful experiences that occurred in the past leave a long lasting print on genes and health in monkeys and humans.

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What to know about sex after a vasectomy

Vasectomies are a standard procedure for birth control in men. Here, we discuss whether vasectomies can affect sexual function and how long to avoid sex after the operation.

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Cognitive dissonance: What to know

Cognitive dissonance is a feeling of discomfort that a person can experience when they hold two contradicting beliefs. We provide several examples of cognitive dissonance in this article.

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Can pregnancy occur after a vasectomy?

The chances of a pregnancy after a vasectomy are almost zero. However, we look at why pregnancy can still happen. We also explore vasectomy reversal, and a process called sperm aspiration, which may also lead to pregnancy.

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First-time evidence suggests that fat can accumulate in the lungs

New evidence shows that fatty tissue can build up in the airways, affecting lung health, especially in people with obesity. This may contribute to asthma.

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Scientists may be getting closer to creating a universal flu vaccine

A phase I clinical trial may represent the first step toward finding a universal vaccine that could prevent several influenza viruses.

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Atrial fibrillation: Daily alcoholic drink riskier than binge drinking

New research finds that frequent low alcohol consumption, such as one daily drink, has a higher risk of atrial fibrillation than infrequent binge drinking.

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What to do if you cannot feel an IUD's strings

An IUD has strings that hang down into the vagina. People should locate these strings regularly to make sure that the IUD is still in place. Learn why the IUD strings might be missing and what to do here.

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What to know about cramping and IUDs

Many people experience cramping after the insertion or removal of an IUD. Cramping usually disappears fairly quickly. However, some people may experience cramping for days or months after the procedure. Learn more about IUD-related cramping here.

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What is cannabinoid hyperemesis syndrome?

Cannabinoid hyperemesis syndrome is a condition that some long term users of marijuana develop. The hallmarks of the condition include repeated and severe episodes of nausea and vomiting. Learn more here.

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Mindfulness could boost opioid use disorder treatment

A new study offers evidence that mindfulness could boost the effectiveness of traditional therapy for opioid use disorder, improving control over cravings.

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What to know about delirium

Delirium is a sudden change in a person’s mental function. It often affects older adults or people experiencing alcohol withdrawal. Learn more here.

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Key brain protein may be what maintains chronic pain

New research in mice identifies a key protein that may drive the maintenance of chronic pain. The protein is linked with mood, pain, and motivation.

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What are the possible causes of neck pain?

There are many possible causes of neck pain, from muscle strain to spinal stenosis. In this article, we list more causes of neck pain, discuss their symptoms, and provide some home remedies.

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What is an epinephrine injection?

Epinephrine, or adrenaline, is a hormone. People use injections of synthetic epinephrine to treat severe allergic reactions. Learn more here.

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Looking for links between Parkinson's and bipolar disorder

According to a recent review, individuals with bipolar disorder may have an increased risk of developing Parkinson's disease later in life.

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Relaxation makes worriers more anxious

Relaxation techniques can, paradoxically, provoke anxiety in some people, and a new study suggests that this is because relaxation interrupts worrying.

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What to know about Pepto Bismol

Pepto Bismol is an antacid that helps treat occasional indigestion, heartburn, and diarrhea. We look at the types and their uses, as well as possible side effects.

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What are the links between alcohol and anxiety?

Many people use alcohol to reduce anxiety, but it can end up making anxiety worse in the long term. Learn about the link between alcohol and anxiety, and tips for coping here.

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What are the links between alcohol and anxiety?

Many people use alcohol to reduce anxiety, but it can end up making anxiety worse in the long term. Learn about the link between alcohol and anxiety, and tips for coping here.

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What to know about boswellia

Boswellia is a resin that has widespread use in natural medicine. Scientific research is starting to provide evidence for its effects on inflammatory health conditions. Learn about its possible uses, benefits, and side effects here.

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How does a vasectomy affect ejaculation?

Once the body has healed, ejaculation after a vasectomy should be the same as it was before. Learn more about this and how long sperm remains in the semen here.

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How does an IUD affect periods?

An intrauterine device (IUD) is a form of physical contraceptive. The two types of IUD are hormonal and copper. Discover how each one can affect a woman’s period here.

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How to help people with cancer stop smoking

Quitting smoking after a cancer diagnosis can improve survival rates. A recent study tests a tailored tobacco treatment program for people with cancer.

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What to know about Xanax overdose

Taking too much Xanax can cause mild to serious side effects, and taking other drugs along with Xanax can increase the risk of overdose. Learn about the symptoms, risks, and treatments of a Xanax overdose here.

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What to know about pressure in the head

Here, we describe causes and treatments for a feeling of pressure in the head. Some underlying issues, such as sinus infections, are common and easy to treat. Learn more here.

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What does Xanax feel like?

Xanax is a benzodiazepine, a class of drug that treats anxiety and panic disorders. It usually takes less than an hour to kick in and has a calming, relaxing effect. Learn more here.

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What side effects can lithium cause?

Lithium is a drug that can prevent and treat manic episodes in people with bipolar disorder. Learn about the long term and short term side effects of lithium.

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