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More Climate-Fueled Wildfires May Lie Ahead

Posted 18 days ago by Drugs.com

WEDNESDAY, April 12, 2017 – Climate change will fuel extreme wildfires across the globe in coming decades, including the western United States, scientists predict. Researchers in the United States and Tasmania analyzed data from nearly 500 extreme wildfires that occurred around the world between 2002 and 2013. "Almost all happened under bad conditions – high temperatures, dry conditions and strong winds – which tell us that weather and climate are very important," said study author Mark Cochrane. He's a senior scientist at South Dakota State University's Geospatial Sciences Center of Excellence. The scientists then used monthly world weather data from 2000 to 2014 to predict likely changes in fire behavior between 2041 and 2070. The study authors concluded there would be a 20 percent to 50 percent increase in the number of days when conditions are prime for fires. "Those conditions ... Read more

Related support groups: Dehydration, Burns - External

Global Warming Could Raise Temps to Levels Not Seen for 420M Years: Study

Posted 4 Apr 2017 by Drugs.com

TUESDAY, April 4, 2017 – In a century or two, Earth's climate could warm to a level that last occurred hundreds of millions of years ago, some researchers predict. After studying evidence of ancient atmospheric conditions, investigators concluded that if people burn all available fossil fuels, carbon dioxide (CO2) levels in the atmosphere would be similar to 200 million years ago. The result: By the 23rd century, Earth's climate could be its hottest in 420 million years, the researchers warned. CO2 levels in the atmosphere have varied over millions of years. But fossil fuel use in the last 150 years has boosted levels from 280 parts per million (ppm) before industrialization to nearly 405 ppm in 2016, according to the researchers. If people don't halt rising CO2 levels and burn all available fossil fuels, CO2 levels could reach 2,000 ppm by the year 2250, the researchers said. CO2 and ... Read more

Related support groups: Sunburn, Dehydration, Prevention of Sunburn

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

Navigating Ski Slopes Safely

Posted 6 Jan 2017 by Drugs.com

THURSDAY, Jan. 5, 2017 – Many people head for the slopes at the first sign of snow, but it's important to get into shape and take other safety precautions to ensure winter sports are fun and injury-free, the National Ski Areas Association (NSAA) cautions. First, skiing or snowboarding equipment should be properly maintained and adjusted before you hit the mountain, the group advises. Local ski shops offer these services as well as providing rental equipment. It's also important to wear water- and wind-resistant clothes while skiing and snowboarding. Look for snow-friendly features such as wind flaps that cover zippers, cuffs that cinch at the wrists and ankles, collars that hug the chin and adjustable drawstrings. Don't cut corners when choosing skiing and snowboarding equipment and clothing, the NSAA recommends. High-quality products will help you stay safe and warm. The NSAA provides ... Read more

Related support groups: Fracture, bone, Sunburn, Dehydration, Compression Fracture of Vertebral Column, Prevention of Sunburn, Prevention of Fractures

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

Water: Can It Be Too Much of a Good Thing?

Posted 3 Nov 2016 by Drugs.com

THURSDAY, Nov. 3, 2016 – Dehydration is a familiar foe for endurance athletes, and one that will be on the minds of every participant in Sunday's New York City Marathon. But did you know that drinking too much water can be potentially fatal, particularly if not treated properly? And you don't have to be an elite athlete like a marathoner to fall victim to what doctors call water intoxication. Water intoxication occurs when a person has consumed so much water that the salt levels in the blood become diluted, said Dr. Aaron Baggish, co-medical director of the Boston Marathon. "When sodium [salt] concentrations are low in the blood, it actually allows water to leak out of the blood into the other tissues," a condition known as hyponatremia, added Baggish, who's also associate director of the Cardiovascular Performance Program at the Massachusetts General Hospital Heart Center. The brain ... Read more

Related support groups: Dehydration, Hyponatremia, Hyponatremia, euvolemic

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

How to Help Keep Your Kids Safe This Fall

Posted 7 Oct 2016 by Drugs.com

FRIDAY, Oct. 7, 2016 – With the arrival of fall, the days get shorter and the weather changes, which can bring special risks for kids. Shorter days mean many youngsters may be walking or biking home from after-school activities at dusk or after dark. Experts from UC Davis Children's Hospital and the UC Davis Trauma Prevention Program say kids must be taught how to ensure they will be seen, even when visibility is low. They urge parents to remind kids to: Use sidewalks and stay out of the street. Teach them that it's important to cross only at corners and never between parked cars. Wear bright or light-colored clothing or jackets. They can also wear shoes that have light-reflecting material or keep a small flashlight on their bag, backpack or belt loop to make sure drivers can see them. Use lights at night. Install headlights and taillights on your children's bikes or scooters that can ... Read more

Related support groups: Head Injury, Dehydration, Prevention of Fractures

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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