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Heat Stress News

Extreme Heat in Southwest a Deadly Threat

Posted 5 days ago by Drugs.com

WEDNESDAY, June 21, 2017 – With temperatures soaring so high that some planes couldn't take off in Phoenix on Tuesday, the heat wave scorching the Southwest for the next week should be taken very seriously, one emergency doctor warns. Dramatic temperatures have been recorded in Arizona, California and Nevada, reaching 120 degrees Fahrenheit or higher in some desert cities – Death Valley, Calif., hit 125 and Palm Springs, Calif., reached 121. In Phoenix, the thermometer reached a high of 119 degrees on Tuesday, a temperature that has only been matched or exceeded four other times, according to the Associated Press. That kind of heat can be deadly. "It's important to remember that extreme heat combined with humidity can kill. Extremes of heat are most concerning to public safety, and a large number of heat-related deaths are generally preventable," said Dr. Robert Glatter, an emergency ... Read more

Related support groups: Sunburn, Heat Stress, Prevention of Sunburn

With Climate Change, More Deadly Heatwaves Will Strike

Posted 7 days ago by Drugs.com

MONDAY, June 19, 2017 – If climate change continues unchecked, three-quarters of the world's population will be exposed to deadly heatwaves by the end of the century, a new study warns. "We are running out of choices for the future," said study author Camilo Mora. He is an associate professor of geography at the University of Hawaii at Manoa. Even with efforts that could lead to a significant reduction in the carbon emissions that are fueling climate change, 48 percent of the world's population will still be at risk by 2100, according to the international team of researchers. Now, about 30 percent of people worldwide are exposed to lethal heatwaves each year, the investigators said. "For heatwaves, our options are now between bad or terrible. Many people around the world are already paying the ultimate price of heatwaves, and while models suggest that this is likely to continue, it ... Read more

Related support groups: Sunburn, Heat Stress, Prevention of Sunburn

Time for Some Summer Sun Safety Tips

Posted 8 days ago by Drugs.com

SUNDAY, June 18, 2017 – Summer sun and warmer temps may provide plenty of play opportunities for kids, but they also mean parents need to be extra vigilant about preventing sunburns and other mishaps. The American Academy of Pediatrics offers this advice: Sun safety through the ages Avoid sun exposure when possible for babies under 6 months old. Look for shade and dress your child in lightweight long pants, long-sleeved shirts and hats with brims if you can. Sunscreen with an SPF (sun protection factor) of at least 15 can be applied to limited areas of the baby's body, such as the face and back of the hands. Cool compresses can be helpful if a baby develops a sunburn. For older children, the best way to prevent sun damage is also to avoid exposure. Shade is helpful, and so is limiting exposure during the hours of 10 a.m. and 4 p.m., when the likelihood of sunburn is especially high. ... Read more

Related support groups: Sunburn, Sunscreen, Heat Stress, Prevention of Sunburn, Deeptan, Coppertone

Stay Safe as Summer Temps Soar

Posted 13 days ago by Drugs.com

MONDAY, June 12, 2017 – As the first major heat wave of the season has much of the eastern United States sizzling, people need to take steps to prevent heat-related illnesses, an emergency doctor says. Hot temperatures and high humidity are likely from the shores of New England through the Great Plains. Temperatures could reach into the 90s for days, according to The Weather Channel. In some areas, record high temperatures set in the 1800s could be broken, USA Today reported. "It's vital to drink plenty of cool fluids, and stay out of the sun during the mid-part of the day [10 a.m. to 2 p.m.] when the sun is typically the strongest," said Dr. Robert Glatter, an emergency physician at Lenox Hill Hospital in New York City. "Try to reduce exertion when the heat index climbs – conserve your energy," he recommended. "If you will be exercising in the heat for under one hour, make sure you ... Read more

Related support groups: Sunburn, Dehydration, Sunscreen, Heat Stress, Prevention of Sunburn, Coppertone, Deeptan

Expect More Deadly Heat From Climate Change, Study Suggests

Posted 27 Mar 2017 by Drugs.com

MONDAY, March 27, 2017 – Deaths related to extreme heat are expected to keep rising, even if most nations can contain global warming at agreed-upon levels, a new study reports. Nations supporting the 2015 Paris Agreement have pledged to limit global warming to below 2 degrees Celsius (3.6 degrees Fahrenheit) above preindustrial levels. However, extreme heat events are expected to occur ever more often as the 2 degree Celsius limit is approached, researchers said. An analysis of 44 of the 101 most populous "megacities" showed that the number of cities experiencing heat stress doubled with 1.5 degrees Celsius (2.7 F) of warming, researchers reported. That trend would potentially expose more than 350 million additional people to heat stress by 2050, if population continues to grow as expected, the study authors said. "As the climate warms, the number and intensity of heat waves ... Read more

Related support groups: Dehydration, Heat Stress

Expect More Record-Breaking Heat in U.S., Scientists Warn

Posted 7 Dec 2016 by Drugs.com

WEDNESDAY, Dec. 7, 2016 – Americans will face many more record-breaking hot days later this century if greenhouse gases continue to be pumped into the atmosphere at current levels, a new U.S. study warns. Scientists using computer modeling predict about 15 daily record-high temperatures for every record-low by about 2065 if no action is taken. That ratio could jump further if climate change-causing greenhouse gas emissions rise, the study from the National Center for Atmospheric Research (NCAR) predicts. In comparison, the ratio of record-high temperatures to record-lows has averaged about two to one over the last decade, according to the study authors. "More and more frequently, climate change will affect Americans with record-setting heat," lead author Gerald Meehl said in a NCAR news release. He's a senior scientist at the research center. The 15-to-1 ratio of record highs to lows ... Read more

Related support groups: Dehydration, Heat Stress

Icy Slurry May Be Best Way to Hydrate in Extreme Heat: Study

Posted 3 Nov 2016 by Drugs.com

WEDNESDAY, Nov. 2, 2016 – An ice slurry/water mix is a good way to manage body heat while people work or exercise in hot conditions, a new study finds. In experiments with volunteers, researchers compared the effectiveness of the ice slurry/water mix with regular water in controlling body heat. The mix was more effective than water and only half as much was needed, according to the study. "While the common approach to managing health in hot environments centers around maintaining hydration, limited attention is devoted to managing heat production from hard work or play," said lead investigator Brent Ruby. He is director of the Montana Center for Work Physiology and Exercise Metabolism at the University of Montana in Missoula. As the temperature rises, so does the need for fluid to maintain blood and sweat volume to keep the body cool through "evaporative cooling (good old-fashioned ... Read more

Related support groups: Dehydration, Heat Stress

When Indoor Temps Rise, So Do COPD Symptoms

Posted 2 Oct 2016 by Drugs.com

FRIDAY, Sept. 30, 2016 – High indoor temperatures can worsen symptoms of the lung disorder chronic obstructive pulmonary disease (COPD), particularly in homes with high levels of air pollution, researchers report. The research included 69 people with moderate to severe COPD. The disorder includes emphysema and chronic bronchitis. Symptoms include shortness of breath, coughing and wheezing. The study volunteers were assessed on the hottest days of the year. The mean outdoor temperature was 85 degrees Fahrenheit. The mean indoor temperature was 80 F, according to the study. Even though 86 percent of the participants lived in homes with air conditioning, it wasn't turned on during 37 percent of the study days. The patients spent most of their time indoors. On days they did go outside, they did so for an average of two hours. As indoor temperatures rose, COPD symptoms increased in ... Read more

Related support groups: Chronic Obstructive Pulmonary Disease, Chronic Obstructive Pulmonary Disease, Maintenance, Dyspnea, Chronic Obstructive Pulmonary Disease, Acute, Alpha-1 Proteinase Inhibitor Deficiency, Heat Stress

Fans May Not Be Cool Choice for the Elderly

Posted 6 Sep 2016 by Drugs.com

TUESDAY, Sept. 6, 2016 – When the temperature soars to 108 degrees Fahrenheit or higher, older adults may want to forgo an electric fan, a tiny study suggests. Research involving nine people over 60 years of age found that using an electric fan raised heart rates and core temperatures when the weather got extremely hot. "The last thing we want is for people to stop using fans because in more moderate temperatures there's no question that fans can be beneficial," said study author Craig Crandall. He's a professor of internal medicine at the University of Texas Southwestern Medical Center at Dallas. "We are only saying that in certain conditions, such as an extreme heat wave, fans may be detrimental," he explained. But why would sitting in front of a fan cause an older person to get hotter? Fan use increases sweat loss in young adults. When the sweat evaporates, that serves to cool the ... Read more

Related support groups: Dehydration, Heat Stress

New Textile Promises Cool Comfort Without Air Conditioning

Posted 1 Sep 2016 by Drugs.com

THURSDAY, Sept. 1, 2016 – Stanford University engineers may have paved the way for the coolest clothes ever. The researchers developed a plastic-based textile that could be woven into fabric for clothing to help people in hot climates stay cool without air conditioning. They say the new material cools the body better than synthetic or natural fabrics used to make clothes today. "If you can cool the person rather than the building where they work or live, that will save energy," researcher Yi Cui said in a Stanford news release. Cui is an associate professor of materials science and engineering and of photon science. Wearers would feel nearly 4 degrees Fahrenheit cooler in the new material than in cotton clothing, according to the report. The new material is based on the same clear, clingy plastic substance you probably use every day to wrap leftovers: polyethylene. Like ordinary ... Read more

Related support groups: Dehydration, Heat Stress

First Days of Preseason Practice Pose Big Heat Risks for College Football Players

Posted 26 Aug 2016 by Drugs.com

FRIDAY, Aug. 26, 2016 – As college football players trade in their beach towels for helmets and padding, new research shows their risk of developing sports-related heat illness shoots up. In particular, during the first 14 days of preseason play these athletes face a greater than usual risk for a specific type of heat illness called exertional heat illness (EHI). EHI is a serious and potentially life-threatening series of health complications that sometimes unfold when strenuous activity meets hot weather, the study authors said. Catastrophic consequences from heat illness are avoidable with proper prevention, recognition and treatment, explained study co-author Michael Ferrara. He's dean of the College of Health and Human Services at the University of New Hampshire in Durham. Ferrara says it's important that athletes be educated about the "signs and symptoms of heat illness, ... Read more

Related support groups: Dehydration, Heat Stress

Child Dies in Hot Car Almost Once a Week

Posted 17 Aug 2016 by Drugs.com

WEDNESDAY, Aug. 17, 2016 – Nearly every eight days, a child dies from heatstroke from being left in a car that got too hot, according to Safe Kids Worldwide. Sometimes parents forget little ones are in the car if the kids have fallen asleep. Other times, people think they just have to go into a store for a few minutes. But, young children's bodies heat up three to five times faster than an adults, Safe Kids Worldwide says. Heat stroke is the leading cause of non-crash, vehicle related deaths among children, the group noted. To protect young children from dying of heatstroke in a car, parents and other caregivers need to remember to "ACT." Avoid heat stroke by never leaving children alone in a car, not even for a minute. Always lock your car when you're not in it so children don't get in on their own. Create reminders that your child is in the car by putting something next to your ... Read more

Related support groups: Dehydration, Heat Stress

Heat Waves Hit Seniors Hardest

Posted 16 Aug 2016 by Drugs.com

MONDAY, Aug. 15, 2016 – As much of the Northeast struggles with a heat wave that isn't expected to ease until the middle of this week, here are some expert tips on how to spot heat stroke. First off, older people are at added risk for heat stroke and other heat-related illnesses, according to the U.S. National Institute on Aging. This is particularly true for those with chronic health issues, the agency cautions. Heat fatigue, heat-related dizziness, heat cramps, heat exhaustion and heat stroke are all forms of hyperthermia. The condition occurs when the body is overwhelmed by heat and is unable to control its temperature, the NIA explains. Those who lack access to air conditioning or transportation, who can't move around, wear too much clothing or visit crowded places may be more vulnerable, the agency notes. Other factors that increase hyperthermia risk include: Dehydration, Poor ... Read more

Related support groups: Dehydration, Heat Stress

Health Tip: Locking Your Child in a Hot Car

Posted 12 Aug 2016 by Drugs.com

-- As parents become busier and busier, accidentally leaving a child in a hot car isn't out of the question. To prevent this very avoidable tragedy, the American Academy of Pediatrics suggests: Before you lock up, look in the back seat to make sure there are no children left in the car. Don't talk on the phone while driving. When your routine changes, be particularly alert. Set up a system with your child's care provider to call you if the child is more than 10 minutes late. Place a cellphone, bag or wallet in the back seat, which will prompt you to look there before leaving your car. If someone else drives your child, confirm that the youngster arrived safely. Read more

Related support groups: Dehydration, Heat Stress

Sky-High Temperatures Inside 'Bounce Houses'

Posted 12 Aug 2016 by Drugs.com

FRIDAY, Aug. 12, 2016 – Inflatable bounce houses are a hit with kids at birthday parties and fairs. But, jumping around in these structures in hot weather can lead to serious heat-related illness, researchers say. Bounce houses can create microclimates similar to closed cars. During hot summer weather, temperatures inside these play structures may climb to levels that pose health risks related to overheating, a new study finds. "Many parents are unaware of the potential heat dangers of these bounce houses," said Andrew Grundstein, study co-author and a professor of geography at the University of Georgia. "I have young children and let them play in bounce houses, but until this project I did not really think about the heat hazards. I was more worried about sprains and fractures from an accident." Grundstein and his colleagues conducted their investigation one afternoon in July 2015 ... Read more

Related support groups: Dehydration, Heat Stress

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