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Or maybe the real issue is to heat or not to heat? Either way, whether you’re dealing with a one-time injury or chronic aches and pains, a few simple guidelines will help you know whether it’s best to bag some ice or get the trusty heating pad.

Dr. Scott Lynch, director of sports medicine at Penn State Medical Center, said it’s all about blood flow. When you injure yourself, you should follow guidelines known as RICE-rest, ice, compression, and elevation.

“Elevation is probably the most important thing because it limits the amount of blood flow to the area and the amount of swelling,” he said.

Cold temperatures applied to an injury help constrict, or narrow, the blood vessels and keep blood from pooling there. This could cause too much inflammation or swelling that can delay the healing process.

Dr. Cayce Onks, family and sports medicine physician at Penn State Hershey, said icing an injury for the first 48 to 72 hours after it occurs can reduce the amount of secondary tissue damage. Ice also can help decrease pain.

Use ice for 20 minutes, once an hour. That’s so you don’t create other issues such as frostbite or damage to the skin. It also gives the skin a chance to recover from each icing session.

While special freezer packs are easy to obtain, Dr. Onks said plain old ice in a bag (or a bag of frozen vegetables) works best. “You can mold it around the injury and get more coverage,” he said. “You also have to keep in mind that because of the chemicals in freezer packs, they can get much colder than ice and you could cause temperature-related skin problems.”

Heat, on the other hand, is often used to ease muscle aches and pains, or to loosen up tense and sore areas before activity.

“Heat typically brings blood flow to the area, which provides nutrients that the tissues need for healing,” Dr. Onks said. “It can also increase the flexibility of tendons and muscles.”

Athletes who have chronic issues or old injuries typically heat before they are active and ice afterward. Some people prefer moist heat because they feel the extra humidity helps the heat penetrate.

In an athletic training room or physical therapy setting, providers can also produce deeper heat by using ultrasound. A heating pad or a pack you heat up in the microwave will do the trick. Commercial heat patches or products such as Icy Hot may provide temporary or superficial relief, but they don’t typically offer the penetration of ice, moist heat, or ultrasound.

It’s one thing to lose your balance and fall. But it’s especially important to keep elderly people from the hazards of a trip and fall.

The causes of balance issues could come from a number of different sources-many that don’t have a seemingly direct connection to balance or falls. Dr. Jason Rice, a primary care internist at Loyola University Health System, tells about some surprising reasons you may lose your balance and fall.

Blood pressure medication.

Some of these drugs can lead to side effects such as dizziness and lightheadedness, especially when changing positions such as standing up from a seated position. The same mechanism that allows our body to quickly adjust our blood flow after moving to a standing position from a seated or flat position can lead to a change in blood pressure, and several medications actively work to hinder this mechanism, which can lead to unsteadiness or falls when changing positions. Solution: Stand up slowly and get your bearings before walking. Staying hydrated also helps to prevent drops in blood pressure.

Blood vessel changes.

Over time the elasticity of blood vessels starts to decline and this can affect blood flow. Similar to blood pressure medication, this can cause you to become dizzy or lightheaded when changing positions, which can lead to falls. Solution: Stand up slowly and hold on to a stable surface before walking.

Low blood sugar.

Low blood sugar can cause dizziness, falls, and even loss of consciousness. This is especially true for people with diabetes. If you are taking medication to lower your blood sugar, make sure you take it with an adequate meal so your sugar doesn’t drop too low.

Declining vision.

Visual clues are an extremely important part of balance. As we age, our eyesight declines, which can lead to issues with balance. Regular visits to your primary care physician, which includes a vision assessment, is the best way to avoid this problem.