Neuroscience

Why is the brain disturbed by harsh sounds?

Why do the harsh sounds emitted by alarms or human shrieks grab our attention? What is going on in the brain when it detects these frequencies? Neuroscientists from the University of Geneva (UNIGE) and Geneva University Hospitals ...

Health

From smoking to vaping: Why do we abuse our lungs?

Today's growing toll of deaths and serious illnesses associated with vaping represents just the latest variation on an age-old theme: our propensity to willfully inhale substances that damage our lungs.

Medications

Ritalin at 75: What does the future hold?

Seventy-five years ago, a new stimulant drug with the generic name of methylphenidate was born in the Swiss lab of chemical company Ciba. Like many drugs, its therapeutic purpose was unclear. But these were the days a scientist ...

Neuroscience

AAN recommends people 65+ be screened yearly for memory problems

People with mild cognitive impairment have thinking and memory problems but usually do not know it because such problems are not severe enough to affect their daily activities. Yet mild cognitive impairment can be an early ...

Diseases, Conditions, Syndromes

Ethiopia must do more to stop recurring chikungunya outbreaks

Ethiopia's second largest city, Dire Dawa, is dealing with a chikungunya fever outbreak. Around 20,000 cases of the mosquito-borne viral infection have been reported since the outbreak started in March 2019. This is the second ...

Psychology & Psychiatry

Suicide is preventable: How can we help our teens?

Every October, after school starts—and each May, as it ends—there is a spike in the number of teenagers who go to the Yale New Haven Children's Hospital (YNHCH) emergency department because they are thinking about attempting ...

Health

Kids and poor sleep: A habit that's breakable

Children enter the world hardwired with plenty of quirks and traits, but no one is born a "bad sleeper." In fact, sleep troubles are a habit kids pick up—and one that parents often unknowingly reinforce.

Health

Slower growth in working memory linked to teen driving crashes

Research into why adolescent drivers are involved in motor vehicle crashes, the leading cause of injury and death among 16- to 19-year-olds in the United States, has often focused on driving experience and skills. But a new ...

Health

Repeated periods of poverty accelerate the ageing process

Genetics, lifestyle and environment are all factors that somehow influence when and how we all age. But the financial situation is also important. Now, researchers from the Center for Healthy Aging and the Department of Public ...

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Alertness is the state of paying close and continuous attention, being watchful and prompt to meet danger or emergency, or being quick to perceive and act. It is related to psychology as well as to physiology. A lack of alertness is a symptom of a number of conditions, including narcolepsy, attention deficit disorder, chronic fatigue syndrome, depression, Addison's disease, or sleep deprivation. The word is formed from "alert", which comes from the Italian "all'erta" (on the watch, literally, on the height; 1618)

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