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Building a Strong Immune System by Exercising

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A healthy lifestyle will help you live longer and feel better. Learn about the benefits of Building a Strong Immune System as You Age.

Key Takeaways

Building a Strong Immune System

As we age, our immune system weakens and becomes less effective at fighting off disease. There are many ways to do this, including eating healthy foods and getting enough sleep. Exercising boosts your body’s production of white blood cells, which fight infection in your body. It also helps keep your heart healthy and can even improve memory!

As we age, our immune system weakens and becomes less effective at fighting off disease. This is why it’s important to build a strong immune system as we get older. There are many ways to do this, including eating healthy foods and getting enough sleep. But one way that I’ve found particularly helpful is by exercising regularly.

Exercise boosts your body’s production of white blood cells, which fight infection in your body. It also helps keep your heart healthy and can even improve your memory! Here are some other reasons to exercise:

Exercise improves muscle strength and endurance.

Muscle tissue makes up most of our body’s weight, so when we lose muscle mass with aging, we become weaker than before. Exercising builds new muscles, making us stronger overall.

Exercise reduces stress levels.

When we have more energy, we tend to be happier people. We don’t need much convincing on this point – look around you. People who work out consistently report feeling calmer and having fewer mood swings.

Exercise increases bone density.

As we grow old, bones naturally begin to break down. The good news? Regular physical activity slows this process down. Studies show that women over 65 who participate in regular aerobic exercises like walking or swimming gain an average of 1% bone mineralization per year, while those who aren’t active only see 0.5%. If you start working out now, you could increase your bone density by 10-20 percent later in life.

Exercise keeps your brain young.

Studies suggest that exercise may actually slow the cognitive decline associated with Alzheimer’s Disease. One study showed that seniors participating in moderate-intensity workouts for 30 minutes three times weekly had slower mental deterioration rates than sedentary individuals. Another study published in the Journal of Clinical Endocrinology & Metabolism found that men between 55 and 75 who exercised vigorously could maintain their testosterone levels into their 80s. Testosterone has been shown to protect against dementia.

Exercise protects your joints.

While arthritis isn’t caused by lack of exercise, research shows that people who frequently engage in high-impact activities such as running or jumping are less likely to develop osteoarthritis. Osteoarthritis occurs when cartilage breaks down due to wear and tear, causing pain and stiffness in the joint. If left untreated, OA can lead to severe disability and loss of independence.

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Fortunately, there are things you can do to prevent OA from developing. For example, make sure you warm up properly before starting any intense workout. Also, try not to sit all day long, especially after lunchtime. And finally, avoid lifting heavy objects without using proper form.

Exercise strengthens your cardiovascular system.

Cardiovascular fitness declines as we age, but regular exercise reverses this trend. A recent article published in the journal Circulation suggests that adults aged 60+ should aim for 150 minutes of moderate-intensity cardio training each week.

Moderate intensity refers to anything above 50% of maximum capacity. Maximum capacity is defined as how hard you can walk or run for 15 minutes straight without stopping. So if you normally walk 3 miles every morning, you would want to set aside time during the week to jog that distance instead.

Exercise enhances self-esteem.

Research indicates that being physically fit leads to higher self-esteem. This makes sense because feeling strong helps us feel more confident about ourselves. It also gives us something else to be proud of – our bodies!

Self-esteem refers to how much we value ourselves. Low self-esteem leads to negative thoughts and feelings, including anxiety, anger, guilt, and shame. Exercise increases confidence and positive emotions, making it easier to handle stressful situations. As a bonus, exercise releases endorphins, chemicals produced naturally within the body that make us happy!

Exercise improves sleep quality.

According to one study, exercising regularly reduces insomnia symptoms by 40%, resulting in better overall health and well-being.

Poor sleep contributes to high cholesterol, diabetes, hypertension, stroke, cancer, osteoporosis, and more. A study published in Sleep Medicine Reviews shows that exercising before bedtime helps promote better sleep. It also makes sense because exercise raises our core temperature, helping keep us warm during cold nights.

Exercise boosts energy.

Many experts recommend getting at least 20 minutes of daily exercise when it comes to staying motivated throughout the day. But what does “exercise” really mean? Does it have to involve going on a strenuous hike through rugged terrain? Or maybe it involves just taking a brisk stroll around the neighborhood? Whatever exercise you choose, remember to get moving so you don’t end up sitting too much throughout the rest of the day.

Exercise promotes weight control.

Many older folks struggle with maintaining healthy body weights. However, according to a new report released by the Centers for Disease Control, obesity among Americans ages 45 and older has increased by nearly 25% since 1980. Experts say that part of the problem lies in how we eat today. We consume large amounts of food yet fail to burn off calories efficiently. To help combat these issues, consider joining a gym where you can work out alongside other members. Not only will doing so boost your confidence, but it might even motivate you to lose some extra pounds.

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Exercise prevents depression.

Depression affects millions of American adults every single year. Studies show that almost half of seniors over 65 suffer from clinical depression. The good news is that physical activity has been shown to reduce feelings of sadness and hopelessness. Plus, it may improve moods by increasing levels of serotonin.

Exercise increases life expectancy.

There are two main reasons why exercise keeps us younger and longer: First, it burns fat. Second, it builds muscle mass. Both factors contribute to improved metabolism and fewer medical problems later in life. 

Many factors are involved in achieving longevity, but one factor stands out above all others: exercise. Numerous studies link increased physical activity to longer life spans. A 2007 report published in Preventive Medicine reports that sedentary men aged 60+ lived only two years beyond their expected lifespan compared to four years for physically fit men.

Exercise lowers blood pressure.

High blood pressure is another common condition affecting senior citizens. Regular aerobic workouts lower systolic blood pressure by an average of 10 points while diastolic readings drop by 5. These results were found in a 2009 meta-analysis by researchers at McMaster University in Canada. They concluded that regular exercise effectively lowered systolic and diastolic blood pressures.

Exercise slows cognitive decline.

Cognitive impairment is often referred to as dementia. Alzheimer’s disease is the most common cause of dementia. Researchers believe that exercise plays a role in preventing memory loss and improving thinking skills. One reason could be that exercise stimulates growth hormones like IGF-1, which play important roles in learning and memory formation.

Exercise decreases the risk of a heart attack.

Heart attacks occur when plaque buildups block arteries leading to the heart. According to Circulation Research, people who exercised regularly had significantly less buildup of atherosclerotic plaques than those who didn’t. This suggests that cardiovascular fitness reduces the likelihood of having a coronary event.

Exercise strengthens bones.

Bone density declines gradually after age 30, especially if one isn’t active enough. Studies suggest that bone mineral content, or the total amount of calcium stored in the skeleton, rises about 1 percent per decade between ages 50 and 80. BMC peaks around 70 years old, then start declining again. If you’re concerned about losing bone strength, try adding resistance training into your routine.

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Exercise protects against falls.

Falls are the number one health concern for elderly individuals living alone. While there aren’t any proven ways to prevent them, exercises such as tai chi and yoga have decreased fall rates. Other activities include walking, swimming, dancing, and playing golf.

Exercise enhances brain function.

Brain cells called neurons communicate via electrical impulses known as action potentials. Exercising causes muscles to contract and relax, causing tiny changes in blood flow that trigger nerve cell communication. The result? Improved mental performance. Studies show that older adults with higher physical activity levels performed better on tests measuring attention span, problem-solving ability, verbal fluency, and spatial reasoning.

Exercise prevents diabetes.

Diabetes affects nearly 20 million Americans today. Diabetes can lead to serious complications, including blindness, amputations, kidney failure, and even death. However, according to recent American College of Sports Medicine findings, moderate-intensity exercise three times weekly has been linked to a reduced risk of developing type 2 diabetes among overweight/obese middle-aged women.

Exercise promotes weight control.

Obesity is a major contributor to chronic diseases like hypertension, high cholesterol, and Type II diabetes. But exercising regularly can promote healthy weight management. For example, a 2008 study showed that obese patients who participated in supervised group aerobics lost twice as much weight as nonparticipants did within six months.

Exercise builds muscle mass.

Muscle tissue burns calories faster than fat, so building up lean muscle mass will increase metabolism and burn off excess pounds. Muscle weighs approximately 3x its volume, meaning just 15 lbs of muscle requires 75 lbs of bone and connective tissues. So don’t worry—you won’t lose anything!


In conclusion, I would say that it’s important to keep fit because we live longer now than ever before. We also need to be aware of our body and how it works. It’s not always easy, but it doesn’t mean we shouldn’t do something about it. Exercise helps us stay young and healthy.