Health is Wealth
You know exercise builds muscles, strengthens bones, keeps your heart healthy and your mind sharp. But it also does something that you might not think much about: It helps keep your immune system — your internal defenses against infection — in tip-top shape.
If you take time for some physical exertion each day, it helps get your body ready to attack bacteria, viruses and toxins that can sneak in and make you sick.
But how much exercise is effective? Do too little or too much, and it won’t have the best effect on your immune system.
Clinical immunologist Leonard Calabrese, DO, answers common questions about how exercise can impact your immunity and how to use your workouts to shut out a world of would-be invaders.
A: If you exercise moderately on a regular basis, it tunes up the immune system in many ways. It enhances your broad-based defenses against viral infections, such as those causing upper respiratory infections.
Working out regularly also reduces the risk of many chronic diseases such as cardiovascular, respiratory illnesses and metabolic diseases, such as type 2 diabetes.
A: Fortunately, you don’t have to push yourself to the limit to rev up your immune system. In fact, your immune system needs less of a workout than you get with your average cardio routine.
Focus on getting 20-30 minutes of moderate exercise, five days a week, and your immune system will thank you.
A: Moderate exercises, including biking or walking briskly in your neighborhood, are good ways to get your blood flowing. Swimming is also a good option for non-weight-bearing exercise for your joints.
Also try mind-body exercises such as Tai-Chi, Qi Gong and yoga, which are all options that help keep your joints flexible. These exercises also reduce chronic stress, which in itself is a powerful immune booster. These exercises can also help alleviate osteoarthritis and fibromyalgia symptoms.
A: Yes, though, the level to which it can slow your system down is still up for debate.
Research shows that exercising for more than 1.5 hours without refueling your body or giving it enough time to recover suppresses your immune responses for up to a few days. During that time, your cortisol levels rise, your white blood cell count drops and you’re more likely to develop a respiratory infection.
This problem usually affects elite athletes, such as marathon runners, most.
On the flip side, staying sedentary also increases your risk of infection, inflammation and chronic disease.
A: Yes, it can. This is a complex issue, but I like to tell my patients to do a “neck check.” If your symptoms are mostly of a mild cold without fever or lower respiratory symptoms, such as a productive cough, wheezing or shortness of breath, mild exercise can actually reduce congestion and may make you feel better.
If your symptoms are primarily in your lungs or you have a significant fever its better to rest until things settle down. Regardless, good hydration is important.
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The best medicine for back pain may be good old-fashioned movement and exercise. http://bit.ly/2TArb8A #HarvardHealth #exercise
Plank exercises, in which you assume a position and hold it, are the gold standard for working your #core while classic sit-ups and crunches have fallen out of favor. Why the shift?
Here’s a fact that may surprise you: By the year 2020, depression is projected to be a leading social and economic burden worldwide — second only to coronary artery disease! Psychotherapy and antidepressants are effective but aren’t for everyone.
But there’s another treatment for depression that’s free and available to everyone: exercise. It will also lower your blood pressure, improve your cholesterol profile, help control blood sugar, and reduce your risk of heart disease, diabetes and common cancers. And, of course, help you achieve or maintain a healthy weight.
https://health.clevelandclinic.org/2016/03/get-happy-exercise-can-lift-mood-infographic/?
Image: Jacob Ammentorp Lund/iStock
Many older adults focus on exercise and diet to stay healthy. But one of the worst offenders to health—poor balance—is often an afterthought. “I see a lot of older adults who are nonchalant about balance,” says Liz Moritz, a physical therapist at Harvard-affiliated Brigham and Women’s Hospital.
Unfortunately, imbalance is a common cause of falls, which send millions of people in the United States to emergency departments each year with broken hips and head injuries. But there are many things you can do to improve your balance. The strategies below are some of the most effective.
Physical therapy for balance focuses on the ability of the joints and brain to communicate, the balance system in the ear (the vestibular system), and vision. “We coordinate all three with exercises such as standing on one foot, first with the eyes open, and then with the eyes closed. We also work on joint flexibility, walking, and lower-extremity exercises on one or two legs,” says Moritz. Other exercises that boost balance include chair stands (see “Move of the month”) and squats. Make sure you get training before attempting these exercises at home.
“Core strength is very important for balance. If the abdominal muscles in your core are weak, they cannot support your limbs, especially when you’re walking. If the gluteal muscles in your buttocks and hips aren’t strong, they won’t be able to propel you forward,” says Moritz. Muscle strengthening can help. Moritz suggests starting with gentle core exercises like a pelvic tilt (lie on the floor with your knees bent up, then roll your pelvis up) and then moving to more intense exercises such as wall planks (stand six inches from a wall, keeping your body rigid, then lean forward with your forearms flat against the wall, and hold the position for 20 seconds). Leg lifts will strengthen the gluteal muscles, and adding resistance bands to leg lifts makes the exercise even more effective.
“Tai chi and yoga are exercises that make you pay attention to the control and quality of movement, rather than the quantity, which improves your balance,” says Moritz. In tai chi, you practice slow, flowing motions and shift your weight from one limb to another. Yoga incorporates a series of focused postures and breathing. Both exercises increase flexibility, range of motion, leg and core strength, and reflexes. The result: you become better at balancing in a number of different positions, which helps you avoid falling if you encounter uneven pavement or obstacles in your path.
“If you can’t see where you’re going, your fall risk goes up,” says Moritz. “A lot of people I treat for balance are here be-cause they tripped when they didn’t see something on the floor.” The fix may be as simple as a new eyeglasses prescription. Get a comprehensive, dilated eye exam every one or two years if you’re 65 or older, every one to three years if you’re age 55 to 64, and every two to four years if you’re 40 to 54. If you have an increased risk for other eye conditions, you may need an eye exam more often.
A cane or a walker can complement your balance and give you more stability and confidence walking. But don’t buy a device on your own. “If it’s too high or too low, that can cause a fall. You need to get it measured, and you need training to learn how to use it,” says Moritz. Training takes just a few physical therapy sessions. Walkers are available with wheels intended for different terrain, lockable brakes, seats, baskets, and other features such as headlights. Canes are available with various handgrips and bases.
Plank exercises, in which you assume a position and hold it, are the gold standard for working your #core while classic sit-ups and crunches have fallen out of favor. Why the shift?
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