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Sugar alters brain chemistry after only 12 days

Sugar alters brain chemistry after only 12 days

New research in pigs finds that sugar intake alters the reward-processing circuitry of the brain in a similar way to addictive drugs. Whenever we learn something new or experience something pleasurable, our brain’s reward system becomes activated. With the help of natural brain chemicals, several brain areas communicate with each other to help us learn […]

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20 causes of numbness in the hands

20 causes of numbness in the hands

A number of conditions can cause the hands to feel numb. When a person has a sensation of numbness in the hands, weakness and painful tingling sensations may also occur. This article will explore some of the possible causes for numbness in a person’s hands, the accompanying symptoms, and some treatment options. The following cardiovascular […]

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New study could ‘drastically’ change how we understand Parkinson’s

The hallmark symptoms of Parkinson’s disease are motor symptoms that include shaking hands and slowness of movement, but specialists still do not entirely understand what causes this disease. Newly published research may now overturn prevailing notions about key Parkinson’s mechanisms. Share on PinterestMotor symptoms in Parkinson’s disease may be due to brain changes that take […]

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What is the autonomic nervous system?

What is the autonomic nervous system?

The autonomic nervous system is a complex network of cells that controls the body’s internal state. It regulates and supports many different internal processes, often outside of a person’s conscious awareness. This article will explain the autonomic nervous system, or ANS, how it works, and the disorders that can affect its functioning. Share on PinterestThe […]

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What to know about brain atrophy

What to know about brain atrophy

Brain atrophy refers to a loss of brain cells or a loss in the number of connections between brain cells. People who experience brain atrophy typically develop poorer cognitive functioning as a result of this type of brain damage. There are two main types of brain atrophy: focal atrophy, which occurs in specific brain regions, […]

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What to know about vasovagal syncope

What to know about vasovagal syncope

The term vasovagal syncope describes fainting that occurs in response to a sudden drop in heart rate or blood pressure. The resulting lack of blood and oxygen to the brain is what causes a person to pass out. Doctors sometimes refer to vasovagal syncope (VVS) as neurocardiogenic syncope or reflex syncope. This condition typically occurs […]

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A key area of the brain is smaller in women on the pill

A key area of the brain is smaller in women on the pill

At the base of the brain is a small but crucial area that acts as a control hub for the nervous and hormonal systems. Now, a study has found that among women, it is significantly smaller in those using birth control pills. Share on PinterestNew research finds an intriguing link between birth control pills and […]

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What causes uncontrolled laughter in epilepsy?

What causes uncontrolled laughter in epilepsy?

A rare form of epilepsy can be characterized by seizures of uncontrolled laughter. What is the root cause, and can doctors address it? A new case study answers this question. Share on PinterestA case study found that an individual’s uncontrolled bursts of laughter resulted from a rare form of epilepsy. Gelastic seizure, or gelastic epilepsy, […]

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Why is it so difficult to say no to that piece of cake?

Why is it so difficult to say no to that piece of cake?

Using rats, researchers have discovered that a specific circuit in the brain seems to drive impulsive eating. Could this lead to a therapy for people who are dealing with the adverse effects of overeating? Share on PinterestNew research helps explain why delicious food is sometimes so hard to resist. Why is it that, despite our […]

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What causes arm numbness?

What causes arm numbness?

Numbness in the arm has many possible causes that range from mild to severe. Simply sitting or sleeping in the wrong position can restrict the blood flow or put excess pressure on a nerve, making the arm go numb. However, unexplained arm numbness may indicate an underlying health condition, such as nerve damage, a herniated […]