Thinkstock/Getty Images(SEATTLE) — Seniors are being warned to cut back on the use of certain over-the-counter medications as well as older antidepressants as they may hasten the onset of Alzheimer’s disease.

A study published in the journal JAMA Internal Medicine says that the sleep-aid Nytol and anti-allergy drugs Benadryl and Piriton contain ingredients that block the key chemical messenger acetylcholine, which is essential to healthy cognitive functions.

Study leader Shelly Gray of the University of Washington School of Pharmacy says the antidepressant doxepin also falls into this category of anticholinergic drugs, which can cause sleepiness and poor memory.

After studying 3,434 men and women age 65 and older, those taking high dosages of these drugs compared to those who didn’t had a 63 percent risk of developing Alzheimer’s and a 54 percent higher risk of developing dementia.

Still, Gray cautions seniors who might be on these meds to consult their physicians before they stop taking these drugs.

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iStock/Thinkstock(NEW YORK) — Medical experts considered measles essentially eradicated in this country thanks to large scale vaccination. But with at least 64 confirmed cases of measles this month, the disease seems on pace to have its worst year in nearly two decades.

Many young doctors are slow to recognize measles and may not realize its potential dangers, said Dr. Richard Besser, ABC News’ chief health and medical editor. This may have contributed to the current outbreaks at Disneyland in California and in 11 other states and Mexico, he said.

“Pediatricians who have never seen the measles tend to undervalue the vaccination and it’s concerning they may miss a child with measles,” Besser said, adding that he, himself, hasn’t seen a case in more than 20 years.

Earlier this week, an infectious disease specialist at Children’s Hospital of Philadelphia echoed that thought in an essay in the journal Annals of Internal Medicine. In the opinion piece, Dr. Julia Shaklee Sammons implored doctors to become more familiar with measles symptoms now that infections from the virus are on the rise.

“It is essential that providers maintain a high level of suspicion for measles…and are able to recognize its clinical features,” she wrote.

People infected with measles are highly contagious for at least four days before symptoms including fever, pink eye and a telltale rash appear. Unfortunately, these are also symptoms of many other common diseases, Besser said, which is why it’s so hard to diagnose — and why it’s essential to recognize it early.

Parents who delay or refuse vaccinations for their children may also contribute to the rise of measles infections, Besser said.

Many counties in California, for example, are below the 92 percent vaccination rate required for “herd immunity” the threshold of vaccinated individuals needed to protect even those who don’t receive the vaccination, according to state health officials. The opt-out rate for vaccinations has doubled in the past seven years.

“There’s discredited science linking vaccines to autism. As a parent and pediatrician, there’s no concern with the vaccine. What happens is that when a vaccine works really well, like the measles vaccine, people think they don’t need it and then it comes back and we see these kinds of cycles,” he said.

Besser noted that one year before the introduction of the measles vaccine in 1962, there were 481,530 reported cases nationwide. In 2004, there were 37 cases, according to the U.S. Centers for Disease Control and Prevention. That number has been creeping up steadily each year.

The CDC recommends all children get two doses of the MMR (Measles, Mumps, Rubella) vaccine, starting with the first dose at 12 through 15 months of age, and the second dose at 4 through 6 years of age. The agency and most other medical organizations state that the vaccination has led to a 99 percent reduction in cases of the measles in the U.S.

Measles can be a deadly disease, Besser stressed.

“Before we began vaccinating, 500 people died a year from measles and it’s still one of the biggest global killers of children,” Besser said.

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Courtesy Patrick Driscoll(LAS VEGAS) — A Las Vegas kindergartner who died days after coming down with the flu felt well enough to play outside 24 hours before she collapsed, her father told ABC News.

Kiera Driscoll, 5, had a slight fever on Sunday morning, but she seemed to be feeling better after taking some children’s ibuprofen, said her father, Patrick Driscoll.

“In fact, she was playing outside that afternoon with my wife and even made a comment that it was ‘the most fun time ever,'” Patrick Driscoll said.

But then Kiera’s slight fever returned and her cough worsened and included phlegm, Driscoll said. At about 4 a.m., her parents gave her medicine to help expand her airways by way of an albuterol nebulizer. She didn’t have asthma but occasionally had a barking cough as a baby, Driscoll said. Afterward, he stayed up with her watching cartoons until she fell asleep again at 8 a.m.

The next morning, the Driscolls took her to an urgent care center, where she got another albuterol treatment and was given a steroid to help her breathe, Driscoll said. He went to work, and his wife stayed home to take care of Kiera.

Kiera’s mother tucked her into bed a few hours later for a nap, and turned away to turn on a vaporizer when Kiera said, “I can’t breathe. It’s hard to breathe,” Driscoll said. Then, the little girl collapsed and passed out.

Kiera’s mother is trained in CPR and jumped into action, clearing Kiera’s airways, performing rescue breathing and calling 911, Driscoll said. Kiera’s pulse went away and came back in the emergency room. But her brain wave activity diminished, Driscoll said, and she developed an irregular heart beat and went into cardiac arrest. She died the following day, on Tuesday, Jan. 20.

“Their working diagnosis was that a mucus plug of thick mucus got coughed up and clogged, lodged in her trachea, preventing her from being able to breathe,” Driscoll said.

The little girl’s elementary school celebrated her life last week by dressing in purple, releasing purple balloons and eating frozen yogurt, according to KNTV, ABC News’ affiliate in Las Vegas. Frozen was Kiera’s favorite movie, and a stuffed Olaf doll sat in her seat at school after her death, according to the station.

Laurel Beckstead, the headmaster of the American Heritage Academy, where Kiera went to school, told KNTV the death was shocking. Beckstead is also Kiera’s aunt.

“She went home happy, healthy, and then to get a phone call that Monday that she had gone to Quick Care Monday morning, released and went home and then later collapsed, was almost a shocking disbelief,” Beckstead told the station. “How can this be happening to Kiera?”

As of the week ending Jan. 17, 56 pediatric flu-related deaths had been reported to the U.S. Centers for Disease Control and Prevention.

Kiera’s official cause of death was that she went into cardiac arrest after coming down with influenza A and pneumonia, according to the Clark County coroner’s office in Nevada, which did not examine her body after her death.

Dr. Frank Esper, a pediatric infectious disease physician at UH Rainbow Babies and Children’s Hospital in Cleveland, said deaths like Kiera’s can be confusing, and some states require autopsies when the explanation is unclear. He said it’s important to remember that influenza can cause death, especially in people with underlying lung and heart conditions — which may not be diagnosed.

People at risk for complications, including young children, pregnant women, people with asthma, and the elderly, should contact their physician at the first sign of flu, he said. They may be prescribed antiviral medications to shorten their illness and prevent it from worsening.

“Though Kiera’s passing has shattered the world her birth created for me, the joy of raising her was worth it,” Driscoll said at her funeral, according to the family’s fundraising site.

Driscoll told ABC News that Kiera got a flu shot, and they still want other parents to vaccinate their children.

“Vaccines help save lives, and they help keep other people from getting infected as well,” he said. “We always want people to be vaccinated.”

He said his family has taken comfort in the fact that his wife knew CPR and did everything she could. And he knows he’ll see his little girl again someday, he said.

“If there’s something we can say to someone going through something similar,” he said. “Hold on to your faith. Rely on family and community, and never take a moment for granted.”

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Fuse/Thinkstock(JEDDAH, Saudi Arabia) — A doctor in Saudi Arabia was astounded to find cartoon icon SpongeBob SquarePants in a child’s x-ray.

Dr. Ghofran Ageely, a radiology resident at the King Abdulaziz University Hospital in Jeddah, Saudi Arabia, told ABC News he was surprised the cartoon character looked so clear in the x-ray. The item the child swallowed, which appears to be some kind of tiny pendant, looked like a “pin” when he first saw it.

“I thought it is just a pin,” Ageely said in an email. “But when I opened the frontal view I was shocked to see SpongeBob looking at me with a big smile. Its angle and rotation are just perfect.”

Ageely said the tiny SpongeBob was safely removed from the 16-month-old child through a scope.

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Paticia Strickland holds twins born in Massachusetts during Monday night’s blizzard. (Courtesy UMass Memorial Medical Center)(NEW YORK) — At 35 weeks pregnant, Paticia Strickland was joking with a friend about what would happen if she went into labor during the storm barreling toward the East Coast this week.

An hour later, she was on all fours as contractions came one after another for 20 minutes until an ambulance could arrive at her home in Worcester, Massachusetts.

“Contractions came out of nowhere,” she told ABC News. “There was no warning at all. They were so strong, I just got the sudden urge to push.”

Strickland’s 5-year-old daughter cried as Strickland left in an ambulance alone after getting a few hugs and well-wishes from her family. All the roads were closed to non-essential traffic because of the snow emergency, so Strickland’s husband couldn’t follow her to the hospital. Worcester was expecting 18 to 20 inches of snow by the time the storm is over.

“I was so scared,” said Strickland, 28, a homemaker with three other children.

As Strickland was sitting up in the back of an ambulance on the way to UMass Memorial Medical Center, her water broke, she said. Seconds later, her son Gabriel was born. But that wasn’t the end of it.

When they pulled up to the hospital, Strickland was rushed to the operating room, where she then delivered baby Aliyah.

“I was only in labor for maybe 40 minutes,” she said. “My first call was to my children’s father to let him know that his children made it into the world.”

When she told him Gabriel was born in the back of an ambulance, she said it sounded like he stopped breathing.

Strickland said she can’t wait to take her “little minions” home. They were born premature, but they’re expected to stay in the hospital only about 10 days, she said.

Meanwhile, in Nantucket, Massachusetts, Danielle Smith went into labor at the height of the storm — just as the power went out.

She wasn’t up to talking to ABC News on Tuesday, but she gave birth to baby Cayden Moore at 3:35 a.m. at Nantucket Cottage Hospital, a hospital official said.

“Cayden was born at the height of the blizzard just after the island had lost power, forcing the hospital to rely on its generator for power,” said hospital spokesman Jason Graziadei.

ABC News’ Boston station WCVB-TV reported on several other New England blizzard babies who just couldn’t wait to make their arrival.

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Stockbyte/Thinkstock(NEW YORK) — Researchers at the National Institutes of Health have found a new method that may help detect high-risk prostate cancer early.

According to a study published in the Journal of the American Medical Association, researchers looked at 1,000 men with either elevated test results or suspicious results from rectal examinations with an MRI to identify suspicious areas of prostate cancer. The patients were then biopsied twice, including once with a standard biopsy method and once with a new “targeted” method.

The results of the study determined that the “targeted” method may be better for differentiating between low-, intermediate- and high-risk cancers.

The procedure for the “targeted” biopsy is the same as the standard biopsy, researchers say, making procedural risks more tolerable. Nonetheless, the study did not follow the participants for an extended period of time, making it impossible to determine the predictability of “targeted” biopsies for long-term outcomes, such as recurrence and mortality.

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Stockbyte/Thinkstock(NEW YORK) — Researchers at the National Institutes of Health have found a new method that may help detect high-risk prostate cancer early.

According to a study published in the Journal of the American Medical Association, researchers looked at 1,000 men with either elevated test results or suspicious results from rectal examinations with an MRI to identify suspicious areas of prostate cancer. The patients were then biopsied twice, including once with a standard biopsy method and once with a new “targeted” method.

The results of the study determined that the “targeted” method may be better for differentiating between low-, intermediate- and high-risk cancers.

The procedure for the “targeted” biopsy is the same as the standard biopsy, researchers say, making procedural risks more tolerable. Nonetheless, the study did not follow the participants for an extended period of time, making it impossible to determine the predictability of “targeted” biopsies for long-term outcomes, such as recurrence and mortality.

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iStock/Thinkstock(NEW YORK) — Researchers at Harvard Medical School say that sugary drinks may be linked to the earlier onset of menstruation.

According to a study published in the journal Human Reproduction, researchers surveyed girls between the ages of 9 and 14 who had not yet begun to have their periods, to calculate the amount of sugary drinks they consumed. They found that girls who drank more than 1.5 sugary drinks each day had their first periods about 2.7 months earlier, on average, than those girls who drank two or fewer sugary drinks each week.

Researchers say the results of the study held up even when accounting for other factors, such as ethnicity and BMI, which are believed to affect the onset of menstruation.

Earlier onset of menstruation has been linked to health risks including an increased lifetime risk of breast cancer.

The study shows only a link, not a cause, between consumption of sugary drinks and early menstruation. Researchers note that girls who drank more sugary drinks may also have other dietary habits contributing to the results of the study.

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iStock/Thinkstock(NEW YORK) — As millions of people in the Northeast hunkered down during a massive winter storm this week, many took the excuse to stay indoors as a chance for a snow day hook-up.

Some dating sites reported record amounts of traffic over the past 24 hours in New York City and surrounding states, around the same time a storm was walloping the area, dumping as much as two feet of snow from New Jersey to Maine.

Match.com told ABC News exclusively it saw a big jump in the number of people logging on their site.

“For the blizzard states we’re seeing an increase of over 60 percent of email initiations between Match members,” a Match.com spokesperson said.

OKCupid also reported a 10 percent spike in traffic.

Representatives from Tinder didn’t respond to ABC News’ request for user activity stats during the storm but the dating app, along with Facebook and Instagram, reported outages on Monday. Hinge, another popular dating app, declined to provide such numbers.

Some people in New York City even took to Craigslist to post “want ads” for “blizzard boyfriends” and girlfriends, hoping to find someone to snuggle with on the snow day. “Seeking a single 20- to 30-something female who shares my excitement for snow days,” one ad read.

“Seeking snow day make-out buddy” another ad read.

Adam, a Craigslist user who posted one of the snow day ads, said he did it as a joke, and received dozens of responses.

“I figured I’d post it, send it to a few friends for a laugh and maybe get one or two responses, which would also likely generate laughs,” he told ABC News via email. “I truly thought of it as a joke, but one of those could-be-like-1-percent-truthful kind of jokes, because, after all, who doesn’t want a snow-day make-out buddy?.”

Another used named Phil C., who also posted a hook-up ad on Craigslist, said he didn’t receive any responses.

“[I] Think most [people] on Craigslist are so very fake,” he said via email. “All they want to do [is] just ask for a photo, never answer you back.”

Relationship expert Logan Levkoff wasn’t surprised by the uptick in activity on dating sites during the storm.

“Winters may be tough on singles because people can feel lonely during cold bleak times,” Levkoff said. “A blizzard, especially one that traps you indoors, may motivate singles to seek connection.”

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John Moore/Getty Images(MONROVIA, Liberia) — The United States military has completed the last of its 17 Ebola treatment units (ETUs) in Liberia.

Rather than contracting out the construction, American soldiers picked up hammers themselves and worked side by side with the Armed Forces of Liberia for the final ETU under Operation United Assistance.

Working 12-hour days in a remote rainforest brought plenty of challenges but also camaraderie rarely seen on a military mission.

Watch the video below as ABC News was there from start to finish to show the building of bonds as well as Ebola treatment blocks:

Maj. Gen. Gary Volesky, who leads the Joint Command task force on the ground, told ABC News that the Department of Defense will decide this month the future of the operation against Ebola and whether to send troops home. About 450 non-essential service members have already returned to the United States. Unlike neighboring Sierra Leone, the spread of the disease has been steadily decreasing in Liberia.

The U.S. military has not only helped build ETUs in Liberia, but troops have also trained more than 1,500 health workers to go into these hot zones. In a mock ETU in the capital Monrovia and in mobile courses in more remote regions, soldiers drilled doctors and other medical staff on how to tackle and treat the dangers of the deadly disease.

Classes covered everything from confronting uncooperative patients to avoiding contamination from bodily fluids and blood, realistically simulated by red ratatouille sauce from the military’s Meals Ready to Eat (better known as MREs).

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