April 2019

The Role of 4 Vitamins in PeripheralVascular Disease

Patients with peripheral artery disease (PAD) have atherosclerosis in the smaller vessels of their body, usually in their legs, feet and arms. PAD increases the risk of losing a limb to amputation. It also increases the risk of having coronary artery disease (CAD) or cerebrovascular disease. PAD patients have a higher risk of dying from a heart attack or stroke than CAD patients who don't have PAD.   More...

Heart Beat: April 2019

Our biological clock (circadian system) governs many physiological processes, including blood pressure. Blood pressure normally dips at night. People who do not experience this temporary drop (called "non-dippers") are at increased risk for developing heart disease. Researchers discovered that one of four main genes comprising the circadian system act differently in men and women. They found that male mice missing this gene (PER1) become non-dippers and have a higher risk of heart and kidney disease. In contrast, female mice missing the PER1 gene continue to show normal dips in blood pressure at night ( American Journal of Physiology-Regulatory, Integrative and Comparative Physiology , January 2019 ahead of print). This phenomenon may explain in part why premenopausal women, who are less likely to be non-dippers than men of the same age, have a lower risk of heart disease. After menopause, their risk climbs due to other factors and quickly erases this biological benefit.   More...

How to Find the Best Walking Shoes

The midsole is the part of a shoe sandwiched between the outsole, which touches the ground, and the insole, which is located on the inside of the shoe underneath the liner. Oftentimes, the midsole of a walking shoe is thin and pliable and is made from ethyl vinyl acetate (EVA), which is light, compressible and pliable.   More...

Walking for Exercise

Subscribers Only — "Walking is a great aerobic exercise, so long as you do it often enough and long enough to gain cardiovascular benefit," says Cleveland Clinic cardiologist Michael Rocco, MD, who coached thousands of patients in his career as medical director of Cardiac Rehabilitation at Cleveland Clinic.   More...

What You Need to Know About Thoracic Aortic Aneurysms

When patients are involved in competitive sports, activity restrictions should be tailored to the risk of dissection or rupture. "We may recommend exercise stress testing to assess a patient's heart rate and blood pressure response to exercise," says Dr. Roselli. "We are developing research protocols to learn more about the interaction between these variables so activity recommendations can be tailored to the individual."   More...

Lower Your Triglycerides Naturally

Subscribers Only — Like cholesterol, triglycerides come from the food we eat and from our liver. Normal triglyceride levels serve a useful function: We use them for energy. But problems begin when we make more triglycerides than we use and store the remainder as fat. It stands to reason that people who are overweight or have type 2 diabetes tend to have high triglyceride levels, and vice versa.   More...

Infection from Gum Disease and Tooth Decay Can Make You Sick

Subscribers Only — In 2018, it was discovered that patients taking hypertension medications were unable to achieve blood pressure control when they had poor oral health. Overall, systolic blood pressure climbed as oral health declined. A little neglect had a large impact: Those with inflamed gums-the first step toward gum disease-were 20 percent less likely to reach their target blood pressure than those with good oral health. Systemic inflammation is the likely culprit.   More...

Ask The Doctors: April 2019

A: It is normal for heart rate (HR) to increase during activity in order to provide nutrients and oxygen to exercising muscles. The formula for obtaining your maximum predicted HR-220 minus your age-tends to underestimate maximal HR by as much as 10 to 20 beats, particularly at older ages. However, an exercise HR of 160 seems high, particularly since a lack of symptoms and ability to talk normally with exercise does not suggest a very high exertion level.   More...