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What Is Cushing Syndrome?
~5.5 mins read

High levels of cortisol in your body can result in Cushing syndrome. Left untreated, Cushing syndrome can cause distressing symptoms and lead to serious health complications. Fortunately, tests can help determine the cause of high cortisol levels, which can guide treatment
What is Cushing syndrome?
Cushing syndrome, also known as hypercortisolism, occurs when you have higher-than-normal levels of cortisol in your body for a significant duration of time. Cortisol is a hormone made by your adrenal glands, two small glands located next to the kidneys. You can have high levels of cortisol if your adrenal glands overproduce it, or if you take cortisol-like medications (glucocorticoids) at high doses for a long time to treat another condition. The high cortisol levels can cause various symptoms and possible health complications.
In normal amounts, cortisol helps your body maintain blood pressure and blood sugar level, reduce inflammation, and regulate salt balance, among other functions. Cortisol is also directly connected to the body's stress response. Your body releases cortisol to help you deal with stressful situations.
Cushing syndrome due to your own body making too much cortisol (rather than taking too much) affects about three times as many women as men, and is most common in people ages 20 to 50. Cushing syndrome is considered rare, but the actual number of people who have it is unknown since some go undiagnosed.
"In Cushing syndrome, there are clinical signs that indicate your body has too much cortisol," explained Dr. Lisa Nachtigall, clinical director of the Neuroendocrine & Pituitary Tumor Clinical Center at Massachusetts General Hospital and associate professor of medicine at Harvard Medical School. "Once high cortisol levels are established, the next step is to figure out why that is happening."
What can cause Cushing syndrome?
The most common cause of Cushing syndrome is long-term use of glucocorticoids. Glucocorticoids are steroids used to treat a variety of conditions including asthma, cancer, inflammatory bowel disease, lupus, joint pain, and rheumatoid arthritis. They are also used to prevent transplant rejection. Examples of glucocorticoids are cortisone, prednisone, dexamethasone, and prednisolone.
Less often, Cushing syndrome occurs when the body makes too much cortisol. This is usually caused by a tumor (typically noncancerous) in the pituitary gland. Located at the base of your brain, the pituitary gland produces a hormone called adrenocorticotropic hormone (ACTH) that normally instructs the adrenal glands to make cortisol. A tumor can spur the pituitary gland to produce too much ACTH, which in turn causes the adrenal glands to produce too much cortisol. This form of Cushing syndrome is called Cushing disease.
In other cases, tumors in other organs can produce ACTH and lead to Cushing syndrome. Finally, the adrenal glands themselves can develop tumors that overproduce cortisol and can lead to Cushing syndrome.
Symptoms of Cushing syndrome
Symptoms of Cushing syndrome include:
Left untreated, Cushing syndrome increases the risk of hypertension, diabetes, skeletal fractures, blood clots, heart attack, stroke, and increased risk of infections.
Diagnosing Cushing syndrome
Because symptoms of Cushing syndrome can mimic many other conditions, diagnosis can be challenging.
Dr. Nachtigall points out that many people have symptoms of Cushing syndrome for years before they are diagnosed. "Unfortunately, Cushing syndrome isn't easy to diagnose," she says, "which can be very frustrating and overwhelming for patients."
Diagnosing Cushing syndrome is usually straightforward in people who are taking glucocorticoids. For others, tests used for diagnosis include:
Once your doctor diagnoses Cushing syndrome, the next step it to determine why it has happened. Knowing the cause of high cortisol levels guides the treatment.
If you take glucocorticoid medication, that's likely the cause of your Cushing syndrome. If Cushing syndrome is caused by the body's overproduction of cortisol, and after the high levels of cortisol have been definitively confirmed, the following tests can help pinpoint the specific reason:
Cushing syndrome treatment
Without treatment, Cushing syndrome can be life-threatening.
If Cushing syndrome is caused by glucocorticoids you are taking to treat another medical condition, you may be able to work with your doctor to gradually and carefully reduce your dose.
If a tumor is causing the disorder, you may need surgery to remove it. Medical therapies such as cortisol-blocking drugs may also be needed.
Dr. Nachtigall coauthored a research study on Cushing syndrome, which found that about 10% of people with Cushing syndrome develop an autoimmune disease after they are surgically treated and in remission. Some people have problems with memory and mood afterward as well. These problems may require additional medical therapy, says Dr. Nachtigall, but most symptoms improve after treatment.
Cushing syndrome may come back, even years later. Being aware of the symptoms of Cushing syndrome, and getting treated early, can help prevent long-term effects.
Lifestyle changes to help manage Cushing syndrome
If you have Cushing syndrome, good lifestyle habits are key to avoiding complications. Having a healthy diet and getting regular exercise are essential, says Dr. Nachtigall.
Blood pressure can be high in people with Cushing syndrome; checking blood pressure and taking blood pressure-lowering medication if required can help. Cushing syndrome also increases the risk of osteoporosis. Maintaining bone strength through exercise and a healthy diet with adequate calcium and vitamin D intake, and making efforts to prevent falls (which can lead to fractures) are also important.
Source: Harvard Health Publishing
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Healthwatch

Exercises To Relieve Joint Pain
~8.3 mins read

As many as one in four American adults has arthritis, a leading cause of joint pain. And those aching ankles, knees, hips, wrists, elbows, and shoulders can get in the way of everyday activities, family responsibilities, and work.
But joint pain isn't something you have to resign yourself to living with. There are steps you can take today — like exercising more — that can help ease your discomfort.
Causes of joint pain
There are a number of different reasons your joints might hurt. Some of the most common causes include:
Benefits of exercise to relieve joint pain
In many of those cases, exercise can help your joints to move with more ease and less pain —even though moving may be the last thing you feel like doing if your joints are sore.
A mix of moderate-intensity, low-impact cardiovascular exercise and resistance training can improve your strength and flexibility. This article will focus on joint-specific strengthening and stretching exercises. But you should also be doing some form of aerobic (cardio) exercise. Not only is it good for your heart and overall health, but it also helps ease stiffness and lubricate joints, while boosting production of your body's natural painkilling compounds.
Exercise also delivers relief from stiffness that can set in if you don't stay active enough. "For example, if you have shoulder arthritis and stop moving your shoulder, it will get stiff — to the point where you could develop a condition called frozen shoulder," says Dr. Robert H. Shmerling, senior faculty editor at Harvard Health Publishing and former clinical chief of the division of rheumatology at Beth Israel Deaconess Medical Center.
"Over time," continues Dr. Shmerling, "a regular exercise routine can also tamp down systemic inflammation that might be contributing to your joint pain."
Lastly, staying consistent with exercise can help you lose weight or maintain a healthy weight, which can decrease pressure on painful joints.
Stretching and strengthening for joint pain relief
There are several important components of an exercise plan for joint pain relief, including muscle strengthening and stretching.
Resistance training is essential for building strength in the muscles that surround your sore joints. While it won't reverse damage from a chronic condition like osteoarthritis, Dr. Shmerling says, it may ease some of the pain.
Stretching improves the flexibility of your muscles, helping you to move your joints through their full range of motion and ward off pain and stiffness.
Joint-specific exercises
How you exercise to ease joint pain will depend on the joint that's bothering you. Consider working with a physical therapist or an experienced certified personal trainer to help you design an individualized exercise program.
The exercises below are generally safe to try, but if you are recovering from a recent injury or have an underlying health condition that causes your pain, it's worth checking with your doctor before you begin.
A note on terminology. Each time you complete the full movement, that's a "repetition," or "rep." A "set" is a specific number of repetitions.
Shoulders
Strengthen: Standing arm raise

Reps: 10
Sets: 1 to 3
Rest: 30 to 90 seconds between sets
Sets: 1 to 3
Rest: 30 to 90 seconds between sets
Stretch: Wall climb


Reps: 3 to 4 of each step on each side
Sets: 1
Hold: 10 to 30 seconds
Sets: 1
Hold: 10 to 30 seconds
Knees
Strengthen: Seated knee extension

Reps: 10 per leg
Sets: 1 to 3
Rest: 30 to 90 seconds between sets
Sets: 1 to 3
Rest: 30 to 90 seconds between sets
Stretch: Hamstring stretch

Reps: 3 to 4
Sets: 1
Hold: 10 to 30 seconds
Sets: 1
Hold: 10 to 30 seconds
Hips
Strengthen: Side-lying clam

Reps: 10 per side
Sets: 1 to 3
Rest: 30 to 90 seconds between sets
Sets: 1 to 3
Rest: 30 to 90 seconds between sets
Stretch: Butterfly pose

Reps: 3 to 4
Sets: 1
Hold: 10 to 30 seconds
Sets: 1
Hold: 10 to 30 seconds
Tips for exercising with joint pain
When your goal is to alleviate joint pain, it helps to keep a few important safety tips in mind during exercise:
Exercise photos by Miohael Carroll
Source: Harvard Health Publishing
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