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… by the body’s protective response to injury or infection.] … of the appendix. This can happen for different reasons. Sometimes the tiny opening that leads from the appendix to the large … you have these symptoms, get medical care right away. The sooner appendicitis is caught, the better. You’re less likely to have complications like a perforated, or “burst,” appendix. This is …

… add to eye dryness. Avoiding other factors that increase eye dryness may help your eyes feel better, too. Air blowing directly in your face from a fan or from air vents in the car can … eye,” Cousineau-Krieger explains. “And just like any other muscle, if you hold the contraction for a long time, the muscle can become fatigued. Eventually, in your 40s, you end up not being …

… to wash your hands and any surfaces food touches when you’re preparing it. Leaving food out for too long or not storing it at proper temperatures can help germs grow and multiply. Be sure … and other microscopic threats.] … , and those over 65 years old. If you aren’t getting better after a couple of days, have a fever higher than 100 degrees, bloody stool, or are …

… depression or anxiety, and more. Because it has so many possible causes, it can be hard for doctors to diagnose the origins of someone’s fatigue. This can make it difficult to develop … community has been exploring for years,” Whittemore says. “I think this research will help us better understand fatigue and get at the underlying mechanisms.” …

… also affect children. This is called juvenile arthritis. “Arthritis is particularly a problem for children because their bones and joints are developing and growing,” says Dr. Michael … but can cause serious side effects when used long term. Researchers are working to develop better drugs with fewer side effects. Physical therapy can also be an important part of …

… the University of California, Los Angeles, who co-leads one of the largest prevention studies for falling. Some people are never able to return to their way of life before an injury. Several … a prevention plan and refer you to other types of providers if needed. The biggest risk factor for being injured from a fall is being age 65 or older. People younger than that may be at … falls. They may encourage you to work with a physical therapist to increase your strength and improve your balance. They can also prescribe devices like special footwear or a walking cane. …

… A hot cup of coffee or tea is a highlight of the morning for some people. It can make you feel awake and alert. Caffeine is the chemical that causes these … If you take away the caffeine, extra adenosine in the body can cause feelings of withdrawal for a while. These include headaches and increased sleepiness. Caffeine also interacts with other … she says. “That contributes to our brain’s ability to retain information. That might lead to improvements in long-term cognitive function.” Her team is exploring new ways to measure the …

… programs. “Some people even require the use of a wheelchair because they can’t stand or walk for long periods.” POTS is an abbreviation for Postural Orthostatic Tachycardia Syndrome. Postural means it’s linked to your body’s … beats a minute without a major blood pressure change could signal POTS. Symptoms may quickly improve by lying down. Treatment often involves increasing salt intake and drinking plenty of …

… them apart? Twins are similar in ways you can’t see, too. That makes twins a powerful tool for studying health and disease.  Many health conditions run in families. If your parents or … health history is important for your health. It can help your health care team provide better care for you. Talk to your provider about how to lower your risk for diseases that run in …

… on your skin; they also carry the risk of disease. NIH-funded scientists are working to find better ways to diagnose, treat, and prevent mosquito-borne illnesses. And we can all take simple … blood-sucking insects. Most mosquito bites are relatively harmless. The itchy bumps often last for just a day or 2 after a mosquito has punctured your skin. But if the mosquito is carrying …