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A sedative is a substance that induces sedation by reducing irritability or excitement.
Drinking tea flavored with herbs may improve mood and memory

Drinking tea flavored with herbs may improve mood and memory

The herbs peppermint, chamomile, rosemary and lavender have been proven to have an impact on mood and memory, with significant benefits displayed for older people, according to new research from Northumbria University. [More]
Opioids could be dangerous, deadly at high doses

Opioids could be dangerous, deadly at high doses

Most people know that heroin is a dangerous drug, but its cousins, the legal, pharmaceutical opioids, such as codeine or hydrocodone, must be safe, right?Not so fast.Opioids—which include the illegal drug heroin as well as prescription medications, including hydrocodone (such as Vicodin), oxycodone (such as OxyContin and Percocet), morphine and codeine—can be dangerous, even deadly, at high doses. [More]
Trimeprazine improves β cell function, slows progression of diabetes

Trimeprazine improves β cell function, slows progression of diabetes

β cells in pancreatic islets are responsible for producing insulin, which is essential to regulate blood glucose homeostasis. In type 1 diabetes, pancreatic β cells are destroyed due to an autoimmune attack, whereas in type 2 diabetes, pancreatic β cells may have deficiencies in secreting insulin or insulin-responding tissues can become insulin resistant. [More]
1 in 10 veterans and civilian patients experiences new ICU-related PTSD up to one year after discharge

1 in 10 veterans and civilian patients experiences new ICU-related PTSD up to one year after discharge

One in ten patients is at risk of having new post-traumatic stress disorder (PTSD) related to their ICU experience up to a year post-discharge. This was the finding from a multicenter, prospective cohort research study of veterans and civilians. [More]
UC San Diego Health offers safe weight loss option for patients

UC San Diego Health offers safe weight loss option for patients

Patients seeking rapid but safe weight loss have a new option at the Bariatric Metabolic Institute at UC San Diego Health. During an outpatient procedure, surgeons place an adjustable saline balloon in the stomach. The volume and shape of the balloon take up space in the stomach, which encourages food portion control. The device, called Orbera, has been shown to reduce total body weight by 10 percent. [More]
New test can detect drug abuse faster

New test can detect drug abuse faster

A new test for club drugs like ketamine can detect low levels of drugs in urine and plasma, making it faster, easier and cheaper to identify them. The authors of the study, published in Journal of Chromatography B, say it could give authorities the boost they need to keep up with trends drug (ab)use. [More]
Brain scans may predict possibility of recovering from coma

Brain scans may predict possibility of recovering from coma

Brain scans of people in a coma may help predict who will regain consciousness, according to a study published in the November 11, 2015, online issue of Neurology, the medical journal of the American Academy of Neurology. The study looked at connections between areas of the brain that play a role in regulating consciousness. [More]
Brief exposure to general anesthesia during infancy does not affect neurological development

Brief exposure to general anesthesia during infancy does not affect neurological development

Although the medical community has raised concerns about the safety of anesthesia on the developing brains of young children, new research presented at the ANESTHESIOLOGY 2015 annual meeting, found brief exposure to general anesthesia during infancy did not impair neurological development. This is the first prospective, randomized, controlled clinical trial to assess the long-term, neurological effects of anesthesia in children. [More]
Most drug residues discharged to wastewater come from private households

Most drug residues discharged to wastewater come from private households

Most drug residues discharged to wastewater come from private households. As contributors of pollution by Active Pharmaceutical Ingredients (APIs), health establishments, such as hospitals, psychiatric and nursing facilities are hardly worth mentioning. [More]
Misuse of prescription drugs common among U.S. college students

Misuse of prescription drugs common among U.S. college students

Seven out of 10 college students say it is somewhat or very easy to obtain controlled stimulants without a prescription, according to a new survey conducted on eight U.S. campuses. [More]
Premature infants in intensive care units exposed to a great deal of pain

Premature infants in intensive care units exposed to a great deal of pain

Premature infants receiving intensive care are exposed to a great deal of pain, and this pain causes damage to the child. Despite this half of the infants admitted to neonatal intensive units will not receive any pain relief, according to a new European study published today in The Lancet Respiratory Medicine. [More]
Norwegian COPD sufferers prescribed more sedatives than psychiatric patients, shows study

Norwegian COPD sufferers prescribed more sedatives than psychiatric patients, shows study

New research has revealed that Norwegian COPD sufferers are prescribed even more sedatives than psychiatric patients. The researchers behind the study believe that this is problematic because the drugs in question are addictive and inhibit lung function. [More]
Study evaluates effectiveness of hypnotherapy

Study evaluates effectiveness of hypnotherapy

Although hypnosis has existed for hundreds of years, today it is still difficult to clearly judge its usefulness in the medical domain. [More]
Why do we sleep? An interview with Professor Wisden

Why do we sleep? An interview with Professor Wisden

It is true that we still do not know why we need to sleep every night. Sleep is essential for health. We have to do it every day. But nobody yet knows why. This fact amazes me. [More]
Study provides clearer picture of evolutionary history, genetic organization of cannabis

Study provides clearer picture of evolutionary history, genetic organization of cannabis

A study by Canadian researchers is providing a clearer picture of the evolutionary history and genetic organization of cannabis, a step that could have agricultural, medical and legal implications for this valuable crop. [More]
Molecular on-off switch controls how mouse brain responds to vision loss

Molecular on-off switch controls how mouse brain responds to vision loss

KU Leuven biologists have discovered a molecular on-off switch that controls how a mouse brain responds to vision loss. [More]
AACN selects Linda L. Chlan as 2016 Distinguished Research Lecturer

AACN selects Linda L. Chlan as 2016 Distinguished Research Lecturer

The American Association of Critical-Care Nurses recently selected Linda L. Chlan, RN, PhD, FAAN, as its 2016 Distinguished Research Lecturer. [More]
Opioid prescribing guidelines that focus high-dose use may need revision, say researchers

Opioid prescribing guidelines that focus high-dose use may need revision, say researchers

Overdoses of opioid pain medications frequently occur in people who aren't chronic users with high prescribed opioid doses--the groups targeted by current opioid prescribing guidelines, reports a study in the August issue of Medical Care. [More]
MIT researchers reveal key brainwave changes among patients receiving nitrous oxide

MIT researchers reveal key brainwave changes among patients receiving nitrous oxide

Nitrous oxide, commonly known as "laughing gas," has been used in anesthesiology practice since the 1800s, but the way it works to create altered states is not well understood. In a study published this week in Clinical Neurophysiology, MIT researchers reveal some key brainwave changes among patients receiving the drug. [More]
Finding may pave way for much-needed treatments for people with epilepsy

Finding may pave way for much-needed treatments for people with epilepsy

An amino acid whose role in the body has been all but a mystery appears to act as a potent seizure inhibitor in mice, according to a study by researchers at Johns Hopkins. [More]
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