Tag: cardiovascular system

Get Cardio-Smart

Should you walk the mall or ride the bike outside? How long should you exercise? How do you know if the intensity is enough or too much? These are among the questions people ask when it comes to aerobic exercise. They are important questions because if you overdo it (too

Exercising Your Workout Options

Regular physical activity is a crucial component of overall health as it is an independent risk factor in cardiovascular disease development. In other words exercising is beneficial regardless of weight loss effects. Activities using major muscle groups and engaging the cardiovascular system by increasing and sustaining an elevated heart rate

4. Rheumatoid Arthritis

Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease involving joints and other organs in the body. It affects about 1.5 million Americans and 1 percent of the population worldwide, causing chronic pain, joint deformity, and significant disability.
What Happens in Rheumatoid Arthritis?
The disease process of RA is complex and not fully

From The Editor

You might think of cholesterol as a building block of sorts. Your body uses cholesterol to build hormones, stabilize your cells, and serve several other important functions.
It’s the other things that cholesterol builds that you need to be more concerned about—namely, the atherosclerotic plaques that accumulate in your arterial walls

1. What Blood Pressure Is

How Your Heart Functions
Your heart. It’s about the size of your fist, and it weighs only about eight to 10 ounces. It’s composed of two upper chambers (the left and right atria) and two lower chambers (the left and right ventricles) that work in unison. On average, your heart contracts

From The Editor

There’s a never-ending river of life that’s flowing inside you. It’s the bloodstream that rushes through miles of blood vessels, channeling vital oxygen and other nutrients to every organ and tissue throughout your body.
Most of the time, you’re completely unaware of this process, which occurs every second of your life.

4. Brain Food

The science of whether some dietary choices are really “brain food” continues to unfold. Given the long time frames of conditions such as Alzheimer’s disease and other dementias, it’s challenging to prove any cause-and-effect relationship between specific foods and brain health. Most such associations are drawn from observational studies, in

3. Macronutrients and Brain Power

The term “nutrient” can refer to vitamins and minerals, or even less-well-known nutrients, such as flavonoids. All these are im-portant, but the big picture when it comes to nutrition and brain power concerns what are referred to as “macronutrients”: fats, carbohydrates (“carbs”), and protein. It’s no wonder that so many

1. Inside the Brain

If you were to look only at the record of pharmaceutical interventions against Alzheimer’s disease and other forms of dementia, the picture would be bleak. “’The history of the results of clinical trials has been a history of disappointment,” says Keith Fargo, PhD, director of scientific programs and outreach for

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