Health
How Measles Attacks an Unvaccinated Child
For a child who is not vaccinated against measles — one of the world’s most infectious viruses — no classroom, school bus or grocery store is safe. Nine out of 10 unvaccinated people exposed to an infected person will catch it, and once measles takes root, the virus can damage the lungs, kidneys and the brain.
With falling U.S. vaccination rates and outbreaks that have caused more than 580 cases and at least one death, health experts expect measles to infect hundreds or even thousands more across the nation. Here is how measles takes over the body.
Unlike viruses that require person-to-person contact, measles lingers in the air for up to two hours after the person carrying it has left the space.
A child can inhale virus-containing droplets in a room where another child — unknowingly infected with measles — has been studying or playing an hour earlier. The virus can enter her body through the lining of her nose or mouth, or when she’s rubbing her eyes.
During the subsequent 24 hours, the virus takes root by lodging in her nasopharynx cells in the upper part of the throat and starts spreading to her lungs.
Then, the virus takes over, multiplying inside the cells and building up an army for an attack.
Within a few days, the virus begins to spread to infect the nearby lymphoid tissues. About a week after the initial exposure, infected cells begin traveling to other organs throughout the body. (At this time, the immune system of a vaccinated child would recognize the virus and fight it off.)
Typically, during the replication and spread of the virus, the child does not feel sick. The average incubation period is about two weeks — though it can range from one to three. When the viral load has increased significantly, it moves to infect other cells of the lungs and eyes, making the child feel ill.
A couple of weeks after the unvaccinated child inhales the droplets, she starts feeling sick.
Children often first show signs of malaise and a fever, followed later by reddish, irritated eyes, a cough and a stuffy nose as the mucus membranes and nasal passages become inflamed.
Some children at this stage develop millimeter-wide, whitish-gray bumps on the inner lining of the cheeks, as far back as the molars. For some, the spots go undetected, or do not show up at all.
Then comes the characteristic feature: the breakout of a red rash, starting on the face and spreading down the neck, trunk, and extremities.
Many of these symptoms should resolve themselves. The rash can last up to a week, often fading along the same route it appeared. The cough can last for up to two weeks after the illness has resolved. But a fever lasting beyond the third or fourth day of the rash suggests that a complication could be developing — and that is where cases can become dangerous.
Even as the rash fades, the infection can spread to the lungs and other organs.
Children are typically brought to the hospital after having the body rash for several days. Most have low oxygen levels and are laboring to breathe and need support, said Dr. Summer Davies, who sees children at Covenant Children’s Hospital in Lubbock, Texas, and has been treating measles cases there since the outbreak started in late January.
“A lot of families have kind of been surprised, like, ‘Oh, my child was fine, and then all of a sudden, they’re not,’ ” she said.
That mild disease evolves into a fever as high as 104 or 105 degrees for two, three or four days. Poor fluid intake, a sore throat and diarrhea can lead to dehydration, which over time can begin to threaten kidney function.
Young children are more at risk because of their smaller anatomy and their inability to articulate symptoms clearly, explained Dr. Lara Johnson, the chief medical officer of a group of Covenant hospitals in the area.
About one in 20 children with measles will develop pneumonia, an infection in the lungs; and severe cases can be fatal.
Dr. Davies said many children admitted to her hospital recently had cases of pneumonia caused by either the measles virus or by a second pathogen that attacked while their immune systems were weakened.
The 6-year-old girl who recently died of measles in Texas had a case of pneumonia that caused fluid to build up in her left lung, making it difficult for her to breathe, according to a video interview with her parents that was posted online. She was eventually sedated and intubated, but she became too sick to survive.
One of the hallmarks of measles is what researchers call “immune amnesia,” the temporary weakening of the immune system. Measles wipes the protection children have acquired from other infections, which leaves them susceptible to other infections for several months or even years.
Inflammation in the brain
About one in 1,000 children who contract measles will also develop encephalitis, or inflammation of the brain tissue, which can result in permanent damage.
For infants or children who are already immunocompromised, a condition called measles inclusion body encephalitis (or MIBE) occurs when the child cannot clear the infection. It can trigger mental changes and seizures, leading to a coma and death in most patients.
Another type, called subacute sclerosing panencephalitis (SSPE), is a degenerative condition that can occur up to a decade after a measles infection. Children often first show signs of behavior change and academic decline, followed by seizures, motor issues like poor coordination and balance, and eventually death. The mortality rate approaches 95 percent.
Erica Finkelstein-Parker, a mother in Pennsylvania who lost her 8-year-old child Emmalee to the condition, had not known that the girl had had measles before she had been adopted from India as a toddler. But she noticed one day that Emmalee was tripping and falling, slumping over to one side of her chair and struggling to lift her chin off her chest during dinner.
Doctors explained that there was no cure. Emmalee passed away about five months later.
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No sex for the win? This was the advice given to this year’s NBA champions.
New York Knicks owner James Dolan addressed the now-champs as they headed into the playoffs in April 2026, acknowledging their high potential to eventually win the championship.
“I don’t know if you understand what it would mean for you to win a championship this year … It would be life-changing,” he said. “It will stick with you the rest of your lives, and if you don’t win, you’ll be thinking about it the rest of your lives.”
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As Dolan’s inspirational speech to the team went on, he explained how the next 10 weeks would require each player to make sacrifices – watching their diets, getting proper sleep and perhaps even abstaining from sex.
“You need sacrifice and you need to eliminate all the distractions around you,” he said.
Jalen Brunson of the New York Knicks celebrates with the Bill Russell NBA Finals Most Valuable Player Award trophy and Knicks owner James Dolan after defeating the San Antonio Spurs in Game Five of the 2026 NBA Finals at Frost Bank Center in San Antonio, Texas, on June 13, 2026. (Gregory Shamus/Getty Images)
“I had this idea that maybe you should give up sex for the next 10 weeks,” the owner said. “You don’t have to give up sex for the next 10 weeks – but, like the Spartans … They denied themselves, so that they can have an edge. Get the edge.”
This received a few snickers from the team, and Dolan responded, “Don’t tell [your wives and girlfriends] you’re not going to have sex and don’t tell them it was my idea. But let them know what this is going to be like … and how they’re going to have to sacrifice, too.”
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Dr. Anna Elton, licensed marriage and family therapist and clinical sexologist in Massachusetts, confirmed that this belief has been around for centuries, dating back to the ancients Spartans and early Olympic competitors.
Avoiding sex can preserve energy, increase aggression and sharpen focus, according to Elton.
The theory behind abstaining from sex for better athletic performance supports that it can preserve energy, increase aggression and sharpen focus. (iStock)
But modern research has found little evidence that consensual sexual activity negatively impacts strength, endurance, reaction time or athletic performance when it occurs at least 10 hours before competition, the doctor countered.
However, “activity very close to competition may affect recovery measures,” she added. What may be more important, according to Elton, is the psychological value of abstinence.
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“Choosing to abstain can reinforce discipline and total commitment to a larger goal,” she said. “In those cases, the advantage may come more from mindset and focus than from any physical effect.”
“Whether the sacrifice is alcohol, social activities, favorite foods or sex, the message is often the same: ‘We are all in.’”
New York Knicks guard Jalen Brunson celebrates with teammates after the Knicks defeated the San Antonio Spurs in game five of the 2026 NBA Finals at Frost Bank Center in San Antonio, Texas, on June 13, 2026. (Geoff Burke/Imagn Images)
The science of abstinence
This discussion has historically focused on men, which Elton said is often based on “misconceptions about testosterone and energy depletion.”
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“Research has not demonstrated that normal sexual activity causes a meaningful decline in athletic performance, and concerns about testosterone depletion have not been consistently supported by the evidence,” she said.
“For women, sexual activity may have additional benefits related to stress reduction, emotional regulation and relationship satisfaction.”
Abstaining from sex for athletic performance may create a sense of discipline, minimize distractions, maintain focus on training and reinforce a team culture centered on sacrifice and commitment, experts say. (iStock)
In a separate interview with Fox News Digital, Dr. Anthony Puopolo, a men’s health expert and lead medical provider for RexMD, echoed Elton’s assessment that research largely does not support abstinence as a performance enhancer.
This is despite a small amount of evidence that suggests engaging in sexual activity within two hours of competition could pose a risk to cardiovascular recovery.
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“Unfortunately, nearly all studies (99%) have been conducted in males aged 20 to 40, so there is virtually no data on female athletes, older athletes or diverse populations,” said the Puerto Rico-based expert. “We know what to tell the Knicks, but we are not sure what to recommend for the New York Liberty.”
Importance of connection
Elton said abstinence may still offer psychological benefits for some competitors. “For some athletes, it can become part of a pre-competition ritual that enhances confidence,” she told Fox News Digital.
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Some other potential benefits of sexual activity include stress reduction, improved sleep, mood enhancement, emotional connection with a partner and relief from performance-related tension.
“Strong, supportive relationships are associated with better psychological resilience, which can be valuable during high-pressure competitions,” Elton said.
“One of the most overlooked performance advantages may be having a supportive relationship waiting at home,” a doctor said. (iStock)
“Ultimately, there is no universal rule,” she went on. “What helps one athlete perform at their best may not help another.”
Elton stressed that sleep, recovery, nutrition, stress management and support from loved ones are universal performance boosters.
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“Athletes devote tremendous attention to training their bodies, while overlooking the importance of their personal relationships,” she cautioned. “A supportive partner can be one of the greatest assets during a demanding season.”
“If competition requires temporary sacrifices, make those decisions together and keep communication open.”
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Eliminating sugar from your diet may seem like the key to healthy eating, but research suggests it could have unintended effects on digestive health.
A study presented at ENDO 2026, the Endocrine Society’s annual meeting, suggests that a total lack of sucrose, or table sugar, may harm gut health and disrupt the body’s natural metabolism.
To explore how the total absence of dietary sugar impacts the body, researchers at the Dasman Diabetes Institute in Kuwait City conducted a 16-week study on two groups of mice. Both groups were placed on a low-fat diet, but with one critical difference.
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One group consumed a low-fat diet that included a standard amount of sucrose, while the other group ate a low-fat diet that was completely sugar-free, according to the study’s press release.
Throughout the trial, the scientists monitored a wide variety of physiological factors, including the animals’ weight, glucose tolerance, insulin sensitivity, hormone levels, internal inflammation and the specific composition of their gut bacteria.
A total lack of dietary sugar can cause imbalances in the gut bacteria and lead to signs of fatty liver disease, even without any weight gain, researchers said. (iStock)
The study outcome suggested that completely removing sugar caused several unexpected health problems.
“Completely removing sucrose from a low-fat diet may unexpectedly disrupt gut health and promote inflammation and metabolic dysfunction,” Rasheed Ahmad, principal scientist and head of the Immunology & Microbiology Department at the Dasman Diabetes Institute, said in the release.
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Even though the mice on the sugar-free diet did not gain any extra weight compared to the control group, their internal health indicators deteriorated.
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The animals that lacked sucrose developed an imbalance in their gut microbes and increased inflammation within the intestines and liver.
They also showed signs of poor glucose regulation, insulin resistance and cellular changes associated with fatty liver disease, according to the research.
Future dietary guidelines may shift away from strict, absolute sugar bans and instead focus on overall gut health through balanced nutrition. (iStock)
“The findings suggest that complete removal of sucrose from a low-fat diet may negatively affect gut microbiota and metabolic health,” Ahmad concluded.
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While the risks of high-sugar diets are well-established, the researchers noted that little attention has been given to the effects of completely eliminating sugar from low-fat meals.
Scientists say these new findings highlight that dietary carbohydrates play a valuable role in supporting balance between the immune system and the gut microbiome.
Completely cutting sucrose from a low-fat diet can unexpectedly trigger gut inflammation and disrupt the metabolism, experts say. (iStock)
Because this research was conducted on mice over a relatively short 16-week period, further clinical trials are necessary to determine whether a completely sugar-free diet causes the same gut and liver inflammation in humans.
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Additionally, the study focused specifically on removing sucrose from low-fat meals, meaning the results might not apply to people eliminating sugar while following higher-fat or ketogenic eating plans, the researchers noted.
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The team believes that future dietary guidelines may shift away from strict, absolute sugar restrictions and instead place a greater emphasis on maintaining a diverse, healthy population of gut bacteria through balanced nutrition.
“In the long term, these findings could help improve strategies for preventing and managing metabolic disorders, fatty liver disease and chronic inflammatory conditions,” Ahmad said.
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