We have all seen the alarming headlines: Coronavirus cases are surging in 40 states, with new cases and hospitalization rates climbing at an alarming rate. Health officials have warned that the U.S. must act quickly to halt the spread – or we risk losing control over the pandemic.

There’s a clear consensus that Americans should wear masks in public and continue to practice proper social distancing. While a majority of Americans support wearing masks, widespread and consistent compliance has proven difficult to maintain in communities across the country. Demonstrators gathered outside city halls in Scottsdale, Arizona; Austin, Texas; and other cities to protest local mask mandates. Several Washington state and North Carolina sheriffs have announced they will not enforce their state’s mask order.


I’ve researched the history of the 1918 pandemic extensively. At that time, with no effective vaccine or drug therapies, communities across the country instituted a host of public health measures to slow the spread of a deadly influenza epidemic: They closed schools and businesses, banned public gatherings and isolated and quarantined those who were infected. Many communities recommended or required that citizens wear face masks in public – and this, not the onerous lockdowns, drew the most ire.In mid-October of 1918, amidst a raging epidemic in the Northeast and rapidly growing outbreaks nationwide, the United States Public Health Service circulated leaflets recommending that all citizens wear a mask. The Red Cross took out newspaper ads encouraging their use and offered instructions on how to construct masks at home using gauze and cotton string. Some state health departments launched their own initiatives, most notably California, Utah and Washington.

Nationwide, posters presented mask-wearing as a civic duty – social responsibility had been embedded into the social fabric by a massive wartime federal propaganda campaign launched in early 1917 when the U.S. entered the Great War. San Francisco Mayor James Rolph announced that “conscience, patriotism and self-protection demand immediate and rigid compliance” with mask wearing. In nearby Oakland, Mayor John Davie stated that “it is sensible and patriotic, no matter what our personal beliefs may be, to safeguard our fellow citizens by joining in this practice” of wearing a mask.

Health officials understood that radically changing public behavior was a difficult undertaking, especially since many found masks uncomfortable to wear. Appeals to patriotism could go only so far. As one Sacramento official noted, people “must be forced to do the things that are for their best interests.” The Red Cross bluntly stated that “the man or woman or child who will not wear a mask now is a dangerous slacker.” Numerous communities, particularly across the West, imposed mandatory ordinances. Some sentenced scofflaws to short jail terms, and fines ranged from US$5 to $200.

Passing these ordinances was frequently a contentious affair. For example, it took several attempts for Sacramento’s health officer to convince city officials to enact the order. In Los Angeles, it was scuttled. A draft resolution in Portland, Oregon led to heated city council debate, with one official declaring the measure “autocratic and unconstitutional,” adding that “under no circumstances will I be muzzled like a hydrophobic dog.” It was voted down.

Utah’s board of health considered issuing a mandatory statewide mask order but decided against it, arguing that citizens would take false security in the effectiveness of masks and relax their vigilance. As the epidemic resurged, Oakland tabled its debate over a second mask order after the mayor angrily recounted his arrest in Sacramento for not wearing a mask. A prominent physician in attendance commented that “if a cave man should appear…he would think the masked citizens all lunatics.”

In places where mask orders were successfully implemented, noncompliance and outright defiance quickly became a problem. Many businesses, unwilling to turn away shoppers, wouldn’t bar unmasked customers from their stores. Workers complained that masks were too uncomfortable to wear all day. One Denver salesperson refused because she said her “nose went to sleep” every time she put one on. Another said she believed that “an authority higher than the Denver Department of Health was looking after her well-being.” As one local newspaper put it, the order to wear masks “was almost totally ignored by the people; in fact, the order was cause of mirth.” The rule was amended to apply only to streetcar conductors – who then threatened to strike. A walkout was averted when the city watered down the order yet again. Denver endured the remainder of the epidemic without any measures protecting public health.

In Seattle, streetcar conductors refused to turn away unmasked passengers. Noncompliance was so widespread in Oakland that officials deputized 300 War Service civilian volunteers to secure the names and addresses of violators so they could be charged. When a mask order went into effect in Sacramento, the police chief instructed officers to “Go out on the streets, and whenever you see a man without a mask, bring him in or send for the wagon.” Within 20 minutes, police stations were flooded with offenders. In San Francisco, there were so many arrests that the police chief warned city officials he was running out of jail cells. Judges and officers were forced to work late nights and weekends to clear the backlog of cases.

Many who were caught without masks thought they might get away with running an errand or commuting to work without being nabbed. In San Francisco, however, initial noncompliance turned to large-scale defiance when the city enacted a second mask ordinance in January 1919 as the epidemic spiked anew. Many decried what they viewed as an unconstitutional infringement of their civil liberties. On January 25, 1919, approximately 2,000 members of the “Anti-Mask League” packed the city’s old Dreamland Rink for a rally denouncing the mask ordinance and proposing ways to defeat it. Attendees included several prominent physicians and a member of the San Francisco Board of Supervisors.

It is difficult to ascertain the effectiveness of the masks used in 1918. Today, we have a growing body of evidence that well-constructed cloth face coverings are an effective tool in slowing the spread of COVID-19. It remains to be seen, however, whether Americans will maintain the widespread use of face masks as our current pandemic continues to unfold. Deeply entrenched ideals of individual freedom, the lack of cohesive messaging and leadership on mask wearing, and pervasive misinformation have proven to be major hindrances thus far, precisely when the crisis demands consensus and widespread compliance. This was certainly the case in many communities during the fall of 1918. That pandemic ultimately killed about 675,000 people in the U.S. Hopefully, history is not in the process of repeating itself today.


This article originally appeared on The Conversation. You can read it here.

  • Every dog has its day, but it’s not the Fourth of July
    Photo credit: Leigh Prather/Shutterstock.comDogs often react with great fear to July 4th celebrations. Border collies such as this dog are especially sensitive to loud noises.
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    Every dog has its day, but it’s not the Fourth of July

    How to protect anxious pups from holiday booms.

    The Fourth of July can be a miserable day for dogs. The fireworks make scaredy-cats out of many canines.

    That’s because dogs, like humans, are hardwired to be afraid of sudden, loud noises. It is what keeps them safe. Some dogs, though, take that fear to the extreme with panting, howling, pacing, whining, hiding, trembling and even self-injury or escape. And, unlike humans, they don’t know that the fanfare on the Fourth is not a threat. Dogs hear the fireworks and process it as if their world is under siege.

    How a dog responds to noises may be influenced by breed, with German shepherd dogs more likely to pace, while border collies or Australian cattle dogs are more likely to show their fear by hiding.

    While we veterinarians don’t know exactly why some dogs are afraid of fireworks and others not, many dogs that react to one noise often react to others. Therefore, early intervention and treatment are essential in protecting the welfare of these terrified dogs. Here’s how you can protect your dog from fireworks.

    • Take your pet to the vet. If your dog is afraid of fireworks, the first step is to have your veterinarian evaluate him or her, especially if your dog’s noise sensitivity is relatively new. One 2018 study found a link between pain and noise sensitivities in older dogs, indicating that muscle tension or sudden movements in response to a loud noise may aggravate a tender area on the body and thus create an association between the loud noise and pain, causing fear of that particular noise to develop or escalate.
    • Create a “safe haven” in your home with a secure door or gate, preferably away from outside windows or doors. Close the blinds or curtains to reduce outside noises, and play some classical music to help reduce stress by creating a relaxing environment for your dog during the show. A white noise machine or box fan may also help reduce anxiety, along with a pheromone like Adaptil sprayed on bedding, a bandanna, a collar or from a diffuser plugged into the wall.
    • Consider noise-canceling headphones such as Mutt Muffs to muffle the sounds and further reduce noise sensitivities.
    • Find a food your pet will love. This could be cut pieces of boiled chicken or squeeze cheese. Sit with your pet and feed him with each boom. You can also use a long-lasting food-dispensing or puzzle toy to release food continuously during the show. This is to help your dog make a positive association with the noises for the future.
    • Consider anxiety wraps, fabric wraps that exert a gentle pressure on your dog’s body. These may help to lower heart rate and other clinical signs of fear and anxiety, operating on the belief that they swaddle a scared animal and thus calm its fears. These work best, however, in conjunction with a complete behavior treatment plan including medication or behavior modification, or both.
    • When it comes to comforting your dog, the jury is still out. It is difficult, however, to reinforce an emotional response with comfort. Therefore, it is OK to pet your dog when frightened by a noise event so long as the dog appears to be comforted and not more distressed by the attention.

    This article originally appeared on The Conversation. You can read it here.

  • Pollen is getting worse, but you can make things better with these tips from an allergist
    Photo credit: Alex Cofaru/Shutterstock.comA girl in a field of flowers.

    Blooming flowers signal the beginning of spring, but for millions of people, they also signal the onset of the misery: allergy and asthma season. Itchy, watery eyes; sneezing, runny nose; cough and wheezing are triggered by an overreaction of the body to pollen.

    Every spring, trees and grasses release billions of buoyant pollen granules into the air, using the wind to disperse across the countryside in an effort to reproduce. It’s all about survival; plants that release more pollen have the survival advantage.

    As an adult and pediatric allergist-immunologist in the Midwest, the onset of spring signals my busy season treating hundreds of patients for their seasonal allergy and asthma symptoms. If you suffer through the season, know that you are not alone. Throughout history, pollen has taken the fun out of spring for many. In modern times, however, medical science has identified practices and treatments that help.

    Older than the dinosaurs, as wide as the world

    Fossilized specimens of pollen granules have been found predating dinosaurs and alongside Neanderthals.

    And, sinus and asthma symptoms and treatments are documented throughout history and across the globe. People just didn’t know exactly how to treat the symptoms, or exactly what was causing them.

    For example, over 5,000 years ago, the Chinese used the berries of the horse tail plant, ma huang (Ephedra distachya), to relieve congestion and decrease mucous production associated with “plant fever” – a condition affecting people during the fall.

    In Egypt, the “Papyrus Ebers,” written around 1650 B.C., recommended over 20 treatments for cough or difficulty breathing, including honey, dates, juniper and beer.

    Although Homer’s “Iliad” describes the loud noise of breathing in battle as “asthma,” Aretaeus of Cappadocia of the second century A.D. is credited with the first clinical description more consistent with modern understanding of this condition. He wrote of those who suffered that:

    “They open the mouth since no house is sufficient for their respiration, they breathily standing, as if desiring to draw in all the air which they possibly can inhale… the neck swells with the inflation of the breath, the precordia (chest wall) retracted, the pulse becomes small and dense,” and if the symptoms persist, the patient “may produce suffocation after the form of epilepsy.”

    Tobacco leaves
    Tobacco leaves were exported to Europe for experimentation in treating the symptoms of spring time coughing and sneezing. Jeep 2499/Shutterstock.com

    By the time Columbus landed, indigenous populations in Central and South American were utilizing ipecacuanha, a root found in Brazil with expectorant and emetic properties and balsam, which is still used in some cold remedies today. Coca and tobacco leaves, used medicinally by the Incas, were later exported to Europe for additional experimentation for the treatment of rhinitis and asthma.

    Aside from the “plant fever” described in China, the first written description of seasonal respiratory symptoms is credited to Rhazes, a Persian scholar, around 900 A.D. He described the nasal congestion that coincided with the blooming of roses, termed “rose fever.”

    Symptoms noticed, but no cause identified

    As scientific advancement was stifled during the Middle Ages, in large part due to the plague, it wasn’t until 900 years later, in 1819, that Dr. John Bostock published a description of his own seasonal allergies. But he didn’t know what was causing them.

    Having suffered from “summer catarrh” since childhood, Bostock persisted in his study of the condition, despite an initial lackluster response from the medical community.

    In the nine years between his first and second publications, he found only 28 additional cases consistent with his own seasonal allergy symptoms, which perhaps demonstrates the lower prevalence of the condition at the time. He noted that nobility and the privileged classes were more often afflicted by seasonal allergies. This was thought to be the consequence of wealth, culture and an indoor life.

    Societal changes with their roots in the Industrial Revolution, including increased exposure to air pollution, less time spent outdoors, increased pollen counts and improved hygiene, all likely contributed to the increased prevalence of allergies that we continue to see today. They also helped form the hygiene hypothesis, which states that in part decreased exposure to particular bacteria and infections could be leading to the increase in allergic and autoimmune diseases.

    The source of seasonal symptoms at the time was also thought to be caused by the smell of new hay. This led to the coining of the term “hay fever.”

    Bostock instead suspected the recurring symptoms were triggered by the summer heat, since his symptoms improved when he spent the summer on the coast. It would later became common for nobility and aristocrats to spend allergy season in coastal or mountain resorts to avoid bothersome symptoms.

    Identifying the true culprit

    Through methodical study and self-experimentation, Dr. Charles Blackley identified that pollen was to blame for allergy symptoms. He collected, identified, and described various pollens and then determined their allergic properties by rubbing them into his eyes or scratching them on his skin. He then noted which ones resulted in redness and itching. This same technique is used in skin prick testing by allergists today.

    Inspired by discoveries related to vaccination, Dr. Leonard Noon and John Freeman prepared doses of pollen extracts for injection in an effort to desensitize patients with allergic rhinitis in the early 1900s. This effective treatment, called allergy immunotherapy, also known as allergy shots, is still used today.

    Antihistamines first became available in the 1940s, but they caused significant sedation. The formulations with fewer side effects that are used today have only been available since the 1980s.

    Pollen counts likely to grow

    Pollen on a street in Atlanta
    Pollen on a street in Atlanta, March 31, 2019. Lynne Anderson, CC BY-SA

    Though recognized by ancient civilizations, seasonal allergic rhinitis and allergic asthma have only increased in prevalence in recent history and are on the rise, now affecting 10 to 30 percent of the world’s population.

    Fueled by warmer temperatures and increased carbon dioxide levels, pollen seasons are longer, and pollen counts are higher. Many experts believe this will worsen in the coming years due in large part to climate change.

    To keep you and your loved ones safe from pollen, close windows and change out of clothes exposed to pollen as soon as you come indoors.
    To keep you and your loved ones safe from pollen, close windows and change out of clothes exposed to pollen as soon as you come indoors. Monkey Business Images/Shutterstock.com

    What can you do? Often, those who are allergic need a multifaceted approach.

    • Find out what allergens are causing your symptoms. Take note of when your symptoms start by making a note in a calendar or planner.
    • Minimize exposure to allergens. Track pollen counts. When pollen counts are high, keep the windows closed at home and in the car. After spending time outdoors, shower and change clothing to prevent ongoing exposure to pollen.
    • Take a pro-active approach to treating symptoms. Starting medications before symptoms develop can prevent symptoms from getting out of control. This can also decrease the amount of medication needed overall. Long acting non-sedating antihistamines are helpful for itching and sneezing. Nasal corticosteroid sprays are more helpful for stuffy noses.
    • Consider a visit to see a board certified allergist/immunologist. She or he can help you determine which particular pollens maybe the source of your symptoms.
    • Explore the role of immunotherapy with your doctor. Immunotherapy changes the immune response through administration of small regimented doses of allergens over time. This induces a state of tolerance, eventually helping people become less allergic over time.

    While pollen season is coming, taking a multifaceted approach can provide much needed relief from the symptoms that have plagued humankind throughout the millennia.

    This article originally appeared on The Conversation. You can read it here.

  • 22-year-old gives out toothy smiles by providing free 3D-printed dentures to those in need
    Photo credit: Canva3D printing can help dental patients.

    Much like anything else, the cost of dental care has risen as need grows. A report from the American Dental Association found that, in 2024, dental spending grew by $7 billion from 2023. A young engineer is making a difference, though. He has helped put a smile back on the faces of folks in need by providing free dentures made with 3D printers.

    Connor Gibson isn’t a dentist or even an expert on 3D printers. He’s a Tennessee community college student who wants to help people. While studying engineering at Walters State Community College, Gibson volunteered with Remote Area Medical (RAM). RAM is a nonprofit that provides mobile clinics offering free medical, vision, and dental care through volunteers. 

    An issue that bites

    A common issue the clinics found was that many people needed dentures. The cost of dentures can be very pricey, ranging from $452 dollars to over $6,500 depending on the patient’s needs and their insurance coverage. Another issue was availability. Even if a patient could afford dentures, it could take weeks or even months before they could be delivered. 

    But Gibson had an idea. He thought that if he could 3D print pairs of dentures, it would save money and time. After all, having a 3D printer on-site would allow the dentures to be made within hours rather than weeks. A patient could get a free set of dentures the same day as their visit.

    Great idea…but how?

    There was a setback: Gibson had no experience in dentistry or 3D printing at all. In spite of his inexperience, Gibson used his engineering and design skills to teach himself how to use a 3D printer. He also got dental experts to teach him how to make dentures the old fashioned way. This way, he was sure to accurately recreate every detail via 3D printing. After taking an impression, Gibson was then able to design specific dentures per patient.

    “Honestly, if you told me three years ago this is what I would be doing, I would have called you crazy,” Gibson said to CNN. “I made it my mission and studied up like I was doing a test, studying up on videos and documents — anything I could find on how to make a denture using this specific software and how to 3D print it.”

    After Gibson successfully completed a pair of 3D-printed dentures for the first time, he knew it was something special. Seeing the tears of joy on the patient’s face was enough to confirm he was doing the right thing.

    “That first delivery was really a huge eureka moment,” Gibson said. “To see that raw, human emotion and just know that I played a change in this person’s life… it’s very humbling, and I’m beyond blessed.”

    Gibson has since been helping RAM develop more denture mobile clinics that can quickly develop dentures for patients who drop in.

    How to find low-cost dental care near you

    If you or someone you know needs low-cost to free dental care, there are options. In addition to Medicare, Medicaid, and CHIP, you can find local and state programs online. You can also dial 2-1-1 for information.

    Another option dental schools and dental hygiene schools that provide supervised, low-cost care from their students.

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