Heat & Cold Exposure

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Heat & Cold Exposure

Sun blisters typically form after a serious sunburn (second degree burn). Learn how to treat these blisters and prevent them from happening again. Sun blisters are small fluid-filled bumps that appear on seriously burned skin. They are caused by a sunburn, which is a type of radiation burn due to overexposure to ultraviolet (UV) radiation from the sun. Karen Poghosyan / Getty ImagesThere are

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How to Prevent and Treat Heat Cramps

Heat cramps are muscle spasms that often occur while exercising in hot conditions. Learn more about how to treat and prevent heat cramps here. Heat cramps are painful, brief muscle spasms that occur with exercise or strenuous work, especially in a hot environment. Cramps are felt in the muscles of the legs, arms, back, or abdomen that are fatigued by heavy work.These cramps result from a

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Heat Exhaustion vs. Heatstroke: What’s the Difference?

Learn to spot the symptoms of heat exhaustion vs. heatstroke and how to prevent these serious illnesses from becoming deadly when temperatures rise. Both heat exhaustion and heatstroke are serious conditions. They are types of heat illness—medical conditions that result from the body’s inability to control its core body temperature after exposure to high temperatures and dehydration (fluid

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Use the Rule of Nines to Calculate a Sunburn Area

Learn how the rule of nines is a good, quick measurement for judging the size of burns on people of all shapes and sizes. Overall, burn severity is a measurement of the depth of burning and the size of the burn. Measuring the size of a burn is difficult because every person is different in size, shape, and weight. It's impossible to simply choose what universal size of

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How to Prevent Heatstroke

A few small changes can result in saving over 700 lives per year from heatstroke and heat-related illness. Reviewed by a board-certified physician. The body can normally withstand large increases in temperature—mostly due to sweating which helps to cool us down—but our cooling system can fail during the summer months, when heatstroke is most common.Without proper hydration or periodically

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5 Steps for Rescuing Someone Who Has Fallen Through Ice

Saving someone from the ice starts by trying not to become a victim yourself. Stay away from the hole in the ice at all costs. Before you try any of these steps, call 911 if possible. Getting help on the way is important before putting yourself in danger. To rescue a victim who has fallen through the ice, follow these steps in order: Preach, reach, throw, row,

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How to Treat a Burn

Follow these steps to treat a burn at home, and learn whether to call 911 or treat the burn yourself. Depending on the severity of a burn, which is based on depth and size, you might need to see a doctor or call 911. Regardless of the severity of the injury, follow these steps to immediately treat a burn:Flush the burned area with cool running water

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Use These Pictures to Identify Frostbite

Frostbite can look like anything from a rash to skin literally coming apart. These pictures provide a way to recognize frostbite. Frostbite damages body tissues in much the same way that burns do. In fact, frostbite injuries and burn injuries can look very similar, and frostbite can be categorized in the same way.Frostbite can happen in many different ways, which is

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An Overview of Hyponatremia

Read all about a common electrolyte condition called hyponatremia, including what causes it, its symptoms, and how it's diagnosed and treated. Sodium is an important electrolyte in the body that transmits electrical signals between cells and also helps keep fluid within cells. Too little sodium in the body—an electrolyte disorder called hyponatremia—usually occurs when the body fails

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What Neuroscientists & Dietitians Swear By For All-Day Focus & Attention

Benefits include sustained mental and physical energy, concentration, and productivity.*

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CDC Recommends COVID Boosters for 5- to 11-Year-Olds

Kids ages 5 to 11 can now get a booster shot of the COVID vaccine. Learn how the organization made this decision, and what it means for families. Key TakeawaysThe Centers for Disease Control and Prevention now recommends Pfizer booster shots for children ages 5 and older.Pediatricians say boosters are important to keep young children safe from the virus, but more children need to get their

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