At ages 8 to 12 and 15 to 20, all three groups were similar in terms of IQ, memory and several other measures of brain function, according to the study authors.

Flexible sigmoidoscopy looks at about a third of the colon, as compared to the whole colon as is seen in colonoscopy. But unlike colonoscopy, sigmoidoscopy does not typically require sedation.

Unfortunately, the findings also suggest that much of this youthful advantage fades with age.

Affecting just 1 in every 20 million people, progeria is driven by a genetic mutation that results in a vast surplus of a protein known as progerin.

Bush has a form of Parkinson's disease and uses a wheelchair and electric scooter. In recent years, he has been hospitalized several times for respiratory problems, the AP reported.

Anxiety can raise the risk for heart disease: Previous studies have shown that arterial stiffness may be worsened by traumatic life events, job strain, depression and either short-term or chronic anxiety, the researchers said.

Researchers found that compared with nondrinkers, those who drank relatively heavily had fewer "good" bacteria in their mouths. They were also hosting more "bad" bacteria -- including bugs that have been linked to gum disease, heart disease and cancer.

And one expert noted that caffeine itself may not be the culprit, since many of the women in the study consumed it by drinking sodas and eating candy.

The researchers also estimated that about 21 percent of PMS cases might be attributed to alcohol use among American and European women, whose drinking rates are especially high.

The study from Germany found that the technology used to power the cars won't interfere with pacemakers or implantable defibrillators.

The new guidelines, issued by the academy, took into account studies on MS drugs and concluded that it's best to start use of MS drugs as early as possible.

The surgery involved transplanting skin, muscles, tendons, nerves, bone and blood vessels.

The researchers noted that previous studies have shown that dehydration reduces exercise performance and brain function in young people, but less is known about its impact on seniors.

The sweeping advisory came after information tied to some new illnesses prompted health officials to caution against eating all kinds of romaine lettuce that came from the city of Yuma, Ariz., where the outbreak began.

Pediatric brain disease patients the latest to gather data for clinical trials from the comfort of their own home.

The annual rate of exposures skyrocketed by nearly 1,400 percent from 2012 to 2015, then fell by 20 percent from 2015 to 2016, the researchers said.

The researchers used the images to assess how precisely the radiation was delivered, and to determine if it shifted closer or farther away from the heart.

These scares are common. They affect about half of women who get annual mammograms; almost one-quarter of those who get regular stool tests for colon cancer; and 10 to 12 percent of men who have regular prostate cancer tests, the researchers said.

The mucus was analyzed for cytokines, which are proteins that enable cells to talk to each other. Based on the cytokines findings, the researchers categorized the patients into six different groups.

As patients and doctors look for alternatives to addictive pain killers, many are turning to marijuana. While the plant is increasingly legal across the United States, research is limited into its effectiveness and potential side effects.

The number of people in the U.S. who received new prescriptions for medications to treat opioid addiction nearly doubled during 2017, from 42,000 to 82,000 per month.

Those with a normal BMI (an estimate of overall body fat based on height and weight) but high levels of belly fat were about twice as likely to have a heart attack, procedures to open blocked arteries, or to die from heart problems during the follow-up than people without belly fat.

Essential tremor affects upwards of 7 million Americans, according to the American Academy of Neurology. Its cause is unknown, and there is no cure.

While there were gains in two-thirds of states, there were also inequities. The highest-scoring state (Maryland, 8) was rated 25 percent higher than the lowest-scoring states (Alaska and Nevada, 6.4), according to the foundation's report, which was released Tuesday.

The new review looks back at more than 40 investigations conducted worldwide between 1991 and 2016. It concludes that -- like other types of addiction -- internet gaming disorder is a complex condition that arises when fun morphs into a loss of control, turning into an obsession.