John D Roll MD

Recommended Articles

• Texas Nurses Association and Their Relief Efforts for Hurricane Harvey

  The Devastation of Hurricane HarveyOn a Friday evening in late August, 2017, Hurricane Harvey made contact between Port Aransas and Port O’Connor of Texas.  Following this landfall, the hurricane was classified as the first Category 4 hurricane to hit United States soil since 2004.  The natural...

• Syphilis: How Does It Affect Men and Women?

  Syphilis is a sexually transmitted disease that affects both men and women. The most common locations for the chancre to appear are in the penis, vagina, anus, and even in the oral cavity. There is not much difference in men and women as far as symptoms, diagnosis, and treatments are concerned....

• Averting Mass Shootings: What Can Nurses Do?

  The fear that mass shooting bring to people is crippling. Some fear it even more than they do natural disasters, and citizens are afraid that at any moment some psycho gunman is going to show up and take their lives away. After all these recent tragedies, no one can really blame these people. As...

• Questions You Should Be Asking Your Doctor

  IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...

• What Is Pyrexia: Causes, Symptoms, and Treatment

  Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...

• Anemia Symptoms

  What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...