Dr. Rebecca M. O'brien MD

“People often come to doctors because of chronic tiredness. It is one of the most common complaints that bring them to the doctor”, says J. Fred Ralston Jr., MD, an internist practicing in western Tennessee and past president of the American College of Physicians. Ralston adds that there are...

Bronchitis is a condition that occurs due to the inflammation of the bronchial tubes. There are two types of bronchitis: acute and chronic. Acute bronchitis is usually caused by a viral infection or in some cases, 10 percent by a bacterial infection. Chronic bronchitis, on the other hand, is a...

IntroductionThe 512 pill is a white-colored round pill with an imprint of "512". It is known to contain the active ingredients acetaminophen with the strength of 325 mg and oxycodone with the strength of 5 mg. This medicine is supplied by the company known as Mallinckrodt Pharmaceuticals.The 512...

Walking has many conveniences. As a simple form of exercise, walking doesn't require any expensive equipment or special routine. It offers a number of health benefits, including weight loss, lowering of cholesterol, reducing the risk of diseases, and it improves circulation in the body.Many experts...

What does blood in semen mean?Blood found in urine or stool can be a cause for concern. Similarly, when a man comes across blood in semen, then it can make him anxious. The medical term for blood found in semen is hematospermia or hemospermia. Fortunately, blood in semen does not always indicate a...

Marijuana or pot is one of the most commonly abused illegal drugs in the country. About one in 300 people are addicted to this drug. Marijuana is actually a mix of shredded leaves, seeds, flowers, and stems of the plant Cannabis sativa. It is also available in a concentrated form called hashish....