lung cancer

PSA: What’s Normal?

PSA is prostate specific antigen, a protein made by prostate cells that shows up in your blood with a PSA blood test. PSA levels increase with prostate cancer, so PSA has been used as a screening test for prostate cancer for many years. A cancer screening test is a test … Read More

Middle Back Pain Causes

Like the upper back, the mid-back region is very stable, and this stability gives it some protection from injury. But the same underlying conditions and circumstances that can result in upper back pain also can result in middle back pain. These include: Poor posture: This is a major risk factor … Read More

How to Prevent Smoking Diseases—and Add Years to Your Life

The number of Americans who smoke has fallen to 14.9 percent, according to the Centers for Disease Control and Prevention (CDC)—a big drop from 1997, when 25 percent of Americans smoked. Sadly, however, smoking still kills about half a million Americans annually, and it isn’t just the obvious smoking diseases … Read More

Prostate Cancer: Causes and Risk Factors

The cause of prostate cancer is complex and not fully understood. We do know that the glandular tissue of the prostate is prone to genetic mutations that may be triggered by a variety of factors. In many men, the disease seems to be random, and the cause remains unknown. The … Read More

What’s Causing Your Upper Back Pain?

As a rule, upper back pain is unusual, since the upper back is structurally stronger than the lower back and also isn’t as mobile, due to being connected to the rib cage. This lack of motion affords it some protection against the bending-twisting types of injury you might sustain in … Read More

Smoking and COPD

The primary cause of COPD is smoking, but long-term exposure to air pollution, dust, or certain chemicals also may cause or contribute to it. Genetics and biological differences also may be involved. A diet that is rich in fiber (from whole grains, whole fruits, vegetables, beans, brown rice, and nuts), … Read More

Healthiest Vegetables to Eat? Start with These 6 Choices

We need to eat our vegetables, but information about how to prepare them can be conflicting. Cooking certain vegetables—winter squash, sweet potatoes, and tomatoes, for example—can release more nutrients. Others, however, are better for us if they're eaten raw. It's the latter group we'll discuss here: six top veggies to … Read More

Research Sheds Light on Vitamins For Eyesight

Thanks to the landmark Age-Related Eye Disease Study (AREDS and AREDS2), we know that high-dose vitamins for eyesight supplements containing vitamin C, vitamin E, copper, zinc, and the antioxidant beta-carotene helped slow disease progression in people who were at risk for developing advanced age-related macular degeneration, or AMD. We also … Read More

12 Risk Factors for Prostate Cancer

What are the risk factors for prostate cancer? It’s a question that remains unanswered despite a growing body of research identifying risk factors and prevention strategies. Scientists do know that prostate cancer symptoms occur when changes or mutations in the DNA of prostatic cells cause abnormal proliferation of those cells, … Read More

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