Physical Activity and Health

The Benefits of Physical Activity
There is nothing better for a man, than that he should eat and drink, and that he should make his soul enjoy good in his labour. This also I saw, that it was from the hand of God. For who can eat, or who else can hasten hereunto, more than I? (Ecclesiastes 2:24-25)

Regular physical activity is one of the most important things you can do for your health. It can help:
Control your weight
Reduce your risk of cardiovascular disease
Reduce your risk for type 2 diabetes and metabolic syndrome
Reduce your risk of some cancers
Strengthen your bones and muscles
Improve your mental health and mood
Improve your ability to do daily activities and prevent falls, if you're an older adult
Increase your chances of living longer

If you're not sure about becoming active or boosting your level of physical activity because you're afraid of getting hurt, the good news is that moderate-intensity aerobic activity, like brisk walking, is generally safe for most people.

Start slowly. Cardiac events, such as a heart attack, are rare during physical activity. But the risk does go up when you suddenly become much more active than usual. For example, you can put yourself at risk if you don't usually get much physical activity and then all of a sudden do vigorous-intensity aerobic activity, like shoveling snow. That's why it's important to start slowly and gradually increase your level of activity.

If you have a chronic health condition such as arthritis, diabetes, or heart disease, talk with your doctor to find out if your condition limits, in any way, your ability to be active. Then, work with your doctor to come up with a physical activity plan that matches your abilities. If your condition stops you from meeting the minimum Guidelines, try to do as much as you can. What's important is that you avoid being inactive. Even 60 minutes a week of moderate-intensity aerobic activity is good for you.

The bottom line is - the health benefits of physical activity far outweigh the risks of getting hurt.

A merry heart maketh a cheerful countenance: but by sorrow of the heart the spirit is broken. ..."The light of the eyes rejoiceth the heart: and a good report maketh the bones fat. (Proverbs 15:13,30)

In recent years, physicians, psychologists and economists have embarked on a journey to illuminate the connection between joy and wellness. Fascinating research exists, and there is value in understanding the effect of happiness on our lives.

To start a conversation about the secrets of happiness,

ABC News’ chief health and medical editor Dr. Richard Besserhosted a Twitter chat Tuesday. Experts from the National Institutes of Health, Mayo Clinic, Harvard University and TEDMED, as well as clinicians and people from across the country, joined the one-hour discussion.

Here are some of the highlights.

How Do We Measure Happiness?

There are countless ways to evaluate happiness, a subjective and often dynamic state. With research on the topic soaring, investigators have devised surveys to study people’s sense of well-being.

Dr. Amit Sood, a specialist in integrative mind-body medicine at the Mayo Clinic, tweeted that we can measure happiness “through validated happiness scales. Assessment is subjective.”

@toddkashdan noted that, “despite problems with self-reports, [there is] no better way to assess happiness than capturing personal thoughts & feelings.”

Angela Haupt, health and wellness editor for U.S. News and World Report, tweeted “happiness indicators include life satisfaction, health, community, and civic engagement.”

While scientists attempt to quantify elements of happiness, others often believe that true joy is more ethereal. Dr Friedman, a psychiatrist at New York Presbyterian-Weill Cornell Hospital, said that “happiness is hard to measure, but easy to recognize.”

Still, common themes about fulfillment emerged in these conversations. Finding meaning in daily work was important. Indeed, researchers have found that having creative and purposeful work to do is a key factor in happiness. But participants were quick to stress the importance of balancing work and personal obligations.

@judymartin8 found value in a “better work-life merge, solid relationships, [and] redefining success,” and @pauladavislaack tweeted “I burned out at the end of my law practice – happiness to me is about meaning and connection!”

Chat participants agreed that money does not guarantee bliss. And studies agree: Once people’s basic needs like food and housing are met, higher incomes do little to boost happiness. Ultimately, people found value in their connections with others. Research shows that having support through friends, family, and social networks reliably predicts happiness. Many echoed the sentiments of @drmommy, who tweeted “I measure my happiness by the loving people that surround me.”

How Does Happiness Affect Our Health? 

Although there is a well-established body of research examining negative health effects of stress and anger, there are also key studies that look at associations between health and happiness. It’s important to note that these studies focus on correlations, things that go hand in hand but are not necessarily caused by one another.

The results are compelling.

Happiness has been correlated with better health, both in individuals and communities. Some studies have even suggested that states of happiness may be associated with lower stress-related hormones and better immune function. @krash63 pointed out that “there’s a growing body of evidence of well-being [as] a protective health factor and a predictive health factor”, and @renjain agreed that “happier people can live longer, healthier lives.”

Moreover, Dr. Malissa Wood of Massachusetts General Hospital in Boston noted that “Women in a Happy Heart Study became happy and content while improving heart risk.”

Data show that positive mood, optimism and humor are linked to better health and well-being.

What are the Secrets of Happiness?

So, can we increase our happiness? “Studies show that relaxation techniques – a mind/body practice – can release tension,” experts from the National Institutes of Health National Center for Complementary and Alternative Medicine tweeted.

Research suggests that people who meditate have improved sense of calm and wellness. People who express religious or spiritual faith also report being happier.

Expressing gratitude is a demonstrated way of fostering happiness. Researchers have found that people who regularly write down things for which they are grateful in “gratitude journals” have increased satisfaction in life, higher energy levels, and improved health. In one study, people who read a letter of appreciation to someone in their lives were measurably happier almost one month later. Performing acts of kindness or altruism boosts moods. Twitter chat participants stressed the importance of smiling and laughing, pointing to movements like “laughter yoga” around the world.

Data show that our relationships matter, too. People who engage in meaningful conversations with friends or family report being happier than those who don’t. Close interpersonal ties and strong social support are crucial for happiness. Investigators recently showed that the capacity for loving relationships was the strongest predictor for life satisfaction in men.

And happiness is contagious: Having a happy friend or family member who lives within a mile of you appears to increase the probability, up to 15 percent in one study, that you will be happy, too.


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