David Bell

Recommended Articles

• What Are The Signs of Bronchitis?

  The human respiratory tract starts at the nose and mouth and extends down to the lungs. Air that we breathe in passes through the nasal passages, down the trachea, into some branched tubes called bronchial tubes or bronchi and then into the alveoli or air sacs in the lungs. The respiratory tract is...

• What Is Squamous Cell Carcinoma?

  Squamous cell carcinoma is a kind of small-cell lung cancer (SCLC) that constitutes nearly 20 percent of all lung cancers. As the name indicates, the small-cell lung cancers form a smaller variety of lung cells that line surfaces and cavities, and are normally located in the central airways...

• Why Your Lymph Nodes May Be Swollen – Lymphadenopathy

  Lymph nodes play an important role in filtering antigens from the extracellular fluid. They are ideal organs for accepting antigens that gain access through the skin and gastrointestinal tract. Lymph nodes are considered to have high concentrations of antigen-presenting cells and lymphocytes.The...

• 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...

• 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...