Health
Ask a doctor: ‘Is it safe to swim underwater with my eyes open?’
![Ask a doctor: ‘Is it safe to swim underwater with my eyes open?’ Ask a doctor: ‘Is it safe to swim underwater with my eyes open?’](https://static.foxnews.com/foxnews.com/content/uploads/2024/07/swim-underwater-split.jpg)
Hot summer days include plenty of pool or beach time for many people — but it’s important to stay safe while swimming.
While it may be tempting to open your eyes underwater, experts warn that prolonged exposure could put your vision at risk.
Fox News Digital spoke with Brian Boxer Wachler, M.D., an ophthalmologist in Beverly Hills, California, who is also a medical reviewer with All About Vision, an online resource, about what happens when people take a peek while swimming.
ASK A DOCTOR: ‘WHY ARE MY EYES OFTEN BLOODSHOT?’
A quick glance likely won’t be harmful, the expert said — but extended periods of underwater peeping could cause problems.
“Usually when people open their eyes underwater, the [eyes] begin to feel irritated and they will close their eyes pretty quickly,” Wachler said.
It may be tempting to open your eyes underwater, but experts warn that prolonged exposure could put your vision at risk. (iStock)
When swimming in pool water, the chlorine can irritate the eyes, he warned.
Chlorine can cause damage to the outer layer cells that protect the cornea, Dr. Muriel Schornack, a Mayo Clinic optometrist in Minnesota, stated on the clinic’s website.
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As a result, the eye may become red, irritated or sensitive to light, the doctor warned.
You may also notice blurred vision.
![Man swimming underwater](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/07/1200/675/man-underwater-eyes-open.jpg?ve=1&tl=1)
Swimming in saltwater or untreated freshwater can potentially introduce bacteria into the eyes, a doctor said. (iStock)
“A lot of folks who are highly nearsighted or highly farsighted like to wear their contact lenses while they’re swimming — and if chlorine soaks into those lenses, now you’ve got a reservoir of chlorine on the surface of the eye that’s likely to do damage,” Schornack noted on Mayo Clinic’s site.
ASK A DOCTOR: ‘WHY AM I HEARING MY HEARTBEAT IN MY EARS?’
With saltwater or untreated freshwater, the effects can be even harsher, and can potentially introduce bacteria into the eyes, Wachler warned.
![blue eye contact lens](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/05/1200/675/iStock-507172508.jpg?ve=1&tl=1)
For people who wear contacts while swimming, chlorine can soak into the lenses and cause problems, a doctor said. (iStock)
“Microscopic organisms are found in various bodies of water, and can be both beneficial and harmful,” he said.
Bacteria such as E. coli can thrive in contaminated freshwater, while saltwater teems with decomposers like Vibrio, according to the ophthalmologist.
“Viruses like those causing hepatitis A can linger in polluted water,” he said.
“Protozoa such as Giardia can cause diarrhea if ingested from untreated sources, while molds like Aspergillus may be found in damp areas around freshwater.”
Signs that you should see a doctor
If you’ve been swimming with your eyes open for an extended period, watch out for signs of irritation like redness, itchiness and a burning sensation, Wachler advised.
![Woman swimming](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/07/1200/675/woman-swim-goggles.jpg?ve=1&tl=1)
For those who want to look underwater while swimming, experts recommend wearing goggles to protect the eyes.
“You might also experience watery eyes or increased sensitivity to light,” he said.
“These are usually temporary and go away on their own.”
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If you notice a thicker discharge, have trouble seeing or experience severe pain, it could be a sign of infection and warrants a trip to the doctor.
For more Health articles, visit www.foxnews/health
For those who want to look underwater while swimming, experts recommend wearing goggles to protect the eyes.
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Health
First at-home syphilis antibody test gets FDA authorization as STD cases spike in US
![First at-home syphilis antibody test gets FDA authorization as STD cases spike in US First at-home syphilis antibody test gets FDA authorization as STD cases spike in US](https://static.foxnews.com/foxnews.com/content/uploads/2024/08/iStock-1438694157.jpg)
The U.S. Food and Drug Administration has granted marketing authorization for the first at-home syphilis test.
The over-the-counter First To Know Syphilis Test, made by NOWDiagnostics in Arkansas, detects antibodies for Treponema pallidum (syphilis), according to a press release.
The test, which does not require a prescription, takes about 15 minutes to administer using only a drop of blood — “like a finger prick,” the company said.
AS SYPHILIS CASES SURGE IN THE US, HERE’S WHAT INFECTIOUS DISEASE EXPERTS WANT YOU TO KNOW
Results will be positive for those experiencing a current syphilis infection — as well as for those who have been previously diagnosed, even if they were successfully treated.
The test results are not sufficient to diagnose syphilis alone, however, and should be followed by additional testing from a provider to confirm the diagnosis, according to the FDA.
The First To Know Syphilis Test, pictured here, uses a blood sample to detect the infection. (NOWDx)
A clinical study of 1,270 people found the product “easy to use,” a press release from NOWDiagnostics noted.
The study results showed that the test correctly identified 99.5% of negative results and 93.4% of positive diagnoses.
TEXAS CITY REPORTS SYPHILIS OUTBREAK AMID ‘LIMITED SUPPLY’ OF PENICILLIN DRUG
“With FDA authorization now granted, we are proud to offer the first test of its kind that provides highly accurate results in just minutes, using a single drop of blood and without the need for a buffer,” NOWDiagnostics CEO Rob Weigle told Fox News Digital via email.
“This breakthrough in diagnostic testing empowers individuals to take control of their health from the privacy of their own home, playing a critical role in early detection and treatment, and ultimately helping to slow the spread of syphilis and protect public health.”
![First To Know Syphilis Test Box](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/08/1200/675/First-To-Know-Syphilis-Test-Box-Only_Landscape_Credit-NOWDx.jpg?ve=1&tl=1)
“This is a great advance and has been vetted for accuracy,” one doctor commented. (NOWDx)
Fox News medical contributor Dr. Nicole Saphier said she considers at-home tests to be “great,” as they often lead to more people being tested who would not otherwise visit the doctor.
“Anything that increases access to health information while also being cost-effective is a positive step in the right direction,” the New York-based doctor told Fox News Digital.
Efforts to stop the surge
There has been a major rise in syphilis cases in the U.S. over the last few years.
Cases spiked by 80% between 2018 and 2022, according to data from the Centers for Disease Control and Prevention (CDC).
SYPHILIS CASES SURGE IN THE US, REACHING LEVELS UNSEEN SINCE 1950
In 2022, more than 3,700 cases of congenital syphilis were reported among newborns, the agency stated.
Earlier this year, the Department of Health and Human Services established the National Syphilis and Congenital Syphilis Syndemic (NSCSS) Federal Task Force to help combat the surging numbers.
![split image of syphilis bacteria and at home test](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/08/1200/675/syphilis-test-split.png?ve=1&tl=1)
Study results showed that the test correctly identified 99.5% of negative results and 93.4% of positive diagnoses. (iStock; NOWDx)
In addition to the task force, the FDA assured that the authorization of this new at-home test will help to “reverse the recent dramatic rise of STIs in the United States.”
“If left untreated, syphilis can seriously damage the heart and brain and can cause blindness, deafness and paralysis,” the FDA wrote in the press release.
HAWAII HEALTH OFFICIALS CALL FOR ACTION AS SYPHILIS CASES RISE
“When transmitted during pregnancy, it can cause miscarriage, lifelong medical issues and infant death.”
Fox News senior medical analyst Dr. Marc Siegel told Fox News Digital that these advancements could also play into the CDC’s new program, DOXY PEP, which aims to prevent “post-exposure prophylaxis with doxycycline for chlamydia, gonorrhea and syphilis.”
“When transmitted during pregnancy, [syphilis] can cause miscarriage, lifelong medical issues and infant death.”
The program has been shown to “markedly decrease clinical infection,” said New York-based Siegel.
Siegel called the new syphilis test “especially important,” as “the earlier syphilis exposure/diagnosis is made the better.”
![Blood sample positive with syphilis](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/08/1200/675/iStock-820736040.jpg?ve=1&tl=1)
The authorization of the new at-home test will help to “reverse the recent dramatic rise of STIs in the United States,” the FDA stated. (iStock)
Michelle Tarver, M.D., PhD, acting director of the FDA’s Center for Devices and Radiological Health, wrote in a statement that advancements in tests for STIs can “give patients more information about their health from the privacy of their own home.”
“Access to home tests may help increase initial screening for syphilis, including in individuals who may be reluctant to see their health care provider about possible sexually transmitted infection exposure,” she said.
HOUSTON HEALTH OFFICIALS REPORT SYPHILIS OUTBREAK, 128% SPIKE IN CASES AMONG WOMEN
This can lead to increased lab testing to confirm the diagnosis, Tarver added, which can increase treatment and help curb the spread.
![Man having appointment with specialist in clinic](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/08/1200/675/iStock-1438694157.jpg?ve=1&tl=1)
The FDA confirmed that false negative results may occur, which can cause delays in treatment and further spread of the infection. (iStock)
Saphier added that as syphilis cases rise, it’s “disappointing to see so many advanced cases of a disease that is otherwise treatable.”
“While prevention is always the best method, early detection and treatment intervention are essential to not only result in the best health outcome, but also decrease the overall cost burden on society — because advanced disease and disability are expensive,” she said.
Potential limitations
Saphier shared some concerns about using at-home tests in detecting illness, as they are “often lower in accuracy than standardized laboratory testing.”
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“This may result in false negative results and a person who otherwise may require treatment not seeking it,” she said.
“If someone is [at] high risk for syphilis exposure or having symptoms, they should skip the at-home testing and speak to their doctor.”
For more Health articles, visit www.foxnews.com/health
The FDA confirmed that false negative results may occur, which could cause delays in treatment.
![Illustration of syphilis bacterium](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/08/1200/675/iStock-174831251.jpg?ve=1&tl=1)
Congenital syphilis symptoms include sores and rashes on the skin, fever, jaundice, sneezing or runny nose and swollen spleen and liver, according to Mayo Clinic. (iStock)
“Results of the test alone should not be used to start, stop or change any treatments without a health care provider,” the FDA wrote in the press release.
“If someone is [at] high risk for syphilis exposure or having symptoms, they should skip the at-home testing and speak to their doctor.”
“In addition, individuals using this test who may have been recently exposed to syphilis should seek care from a health care provider for treatment and evaluation regardless of this test’s results.”
Congenital syphilis symptoms include sores and rashes on the skin, fever, jaundice, sneezing or runny nose, and swollen spleen and liver, according to Mayo Clinic’s website.
If left untreated, later symptoms can include hearing loss, dental problems and “saddle nose,” a condition in which the bridge of the nose collapses.
Health
Best HIIT Workout for Women: 10 Minutes Every Other Day Boosts Endurance and Helps With Weight Loss
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Health
Dementia has 2 shocking new risk factors, study finds, with total of 14 now on list
![Dementia has 2 shocking new risk factors, study finds, with total of 14 now on list Dementia has 2 shocking new risk factors, study finds, with total of 14 now on list](https://static.foxnews.com/foxnews.com/content/uploads/2024/08/vision-cholesterol-split.jpg)
Two surprising new risk factors for Alzheimer’s disease are noted in a new study.
Untreated vision loss and high levels of LDL cholesterol have been linked to a greater chance of developing the common dementia type.
Low-density lipoprotein (LDL), which is sometimes called “bad cholesterol,” is associated with negative health effects when present in high amounts.
HIGH BLOOD PRESSURE AND ALZHEIMER’S DISEASE COULD GO HAND IN HAND, STUDY FINDS
Researchers from University College London led the study, published in The Lancet on Aug. 10.
The findings were also presented at the Alzheimer’s Association International Conference (AAIC) in Philadelphia on July 31.
Untreated vision loss and high levels of LDL cholesterol have been linked to a greater chance of developing Alzheimer’s. (iStock)
Vision loss and high LDL cholesterol join a list of 12 other risk factors the researchers previously identified in 2020.
Those 12 are hearing loss, lower education, smoking, hypertension, obesity, physical inactivity, depression, diabetes, excessive alcohol consumption, air pollution, traumatic brain injury and social isolation.
AI FAST-TRACKS DEMENTIA DIAGNOSES BY TAPPING INTO ‘HIDDEN INFORMATION’ IN BRAIN WAVES
To identify the two new risk factors, the researchers analyzed dozens of recent studies on vision loss and high cholesterol.
The 14 total factors are responsible for roughly half of dementia cases globally, the researchers stated, which means eliminating them could potentially prevent many cases.
![Amyloid beta](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/07/1200/675/amyloid-beta.jpg?ve=1&tl=1)
About half of all Alzheimer’s cases can be attributed to 14 total factors, the researchers stated. (iStock)
“Some dementia risk factors, such as alcohol consumption and physical exercise, can be managed by changing your lifestyle, but many must be addressed on a societal level,” Fiona Carragher, chief policy and research officer at the Alzheimer’s Society in the U.K., said in a press release.
(The study was partly funded by the Alzheimer’s Society.)
“Social isolation, education inequalities and air pollution are beyond individuals’ control and require public health interventions and joint action between government and industry.”
“I tell patients all the time, ‘if it’s healthy for the heart, it’s healthy for the brain.’”
Dr. Earnest Lee Murray, a board-certified neurologist at Jackson-Madison County General Hospital in Jackson, Tennessee, was not involved in the study but said it “substantiates a lot of things we have known about dementia for several years.”
He told Fox News Digital, “The study in Lancet shows higher levels of LDL (the bad cholesterol) — which is often related to diet and lifestyle choices — is related to a greater chance of developing a dementia process.”
![To prevent vision loss, the U.S. Centers for Disease Control and Prevention (CDC) recommends getting regular eye exams.](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/08/1200/675/iStock-1798442060.jpg?ve=1&tl=1)
To prevent vision loss, the U.S. Centers for Disease Control and Prevention (CDC) recommends getting regular eye exams. (iStock)
“Genetic factors can play a role in elevated levels of LDL — however, even in these patients, diet modifications can be beneficial as well.”
The neurologist was also not surprised by the link between vision loss and development of dementia.
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“We have known for years that patients who have higher levels of education and are ‘well-read’ often develop dementia at a much later age,” Murray said.
“We rely heavily upon eyesight to be able to engage in our surroundings as well as stimulate cognitive thought.”
Reducing the risk
In his practice, Murray said, he is often asked about ways to prevent or reduce the risk of developing dementia at a later age.
“Patients have a good understanding of what a heart-healthy diet and lifestyle look like,” he told Fox News Digital.
![LDL cholesterol](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2023/03/1200/675/LDL-cholesterol.jpg?ve=1&tl=1)
Low-density lipoprotein (LDL), which is sometimes called “bad cholesterol,” is associated with negative health effects when present in high amounts. (iStock)
The brain is a “very vascular organ,” the doctor pointed out — which means it is closely linked to the heart.
“I tell patients all the time, ‘If it’s healthy for the heart, it’s healthy for the brain,’” Murray said.
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“This not only includes dietary changes, such as lower fat/lower cholesterol diets, but also lifestyle modifications, such as smoking and alcohol cessation.”
There is also evidence that the Mediterranean diet can be beneficial in delaying the onset of dementia, Murray noted.
![Man exercising](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/01/1200/675/man-working-out.jpg?ve=1&tl=1)
“Regular exercise is beneficial from a vascular standpoint, and can also help from a mental standpoint,” a neurologist said. (iStock)
“Regular exercise is beneficial from a vascular standpoint, and can also help from a mental standpoint,” he added.
Participating in cognitively stimulating activities is also known to delay the potential onset of dementia, according to Murray.
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“I tell my patients to find some cognitively challenging activity they enjoy, whether that’s working puzzles or reading challenging books,” he said.
“These activities can maintain a higher level of cognitive abilities and retard the onset of dementia.”
![Fresh vegetables](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2024/05/1200/675/market3.jpg?ve=1&tl=1)
Eating a diet rich in fruits and vegetables can help to protect vision and promote heart health, doctors say. (iStock)
To prevent vision loss, the U.S. Centers for Disease Control and Prevention (CDC) recommends getting regular eye exams, wearing protective eye wear in high-risk environments and wearing sunglasses to prevent exposure to UV rays.
Knowing your family’s eye health history, eating a diet rich in fruits and vegetables, maintaining healthy blood sugar levels and avoiding smoking can also prevent vision loss, the agency added.
For more Health articles, visit www.foxnews.com/health
Fox News Digital reached out to the study researchers and the Alzheimer’s Society for additional comment.
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