Dr. Ann Kathryn Messersmith MD

Recommended Articles

• How Long Does Acute Bronchitis Last? How to Treat and Prevent

  Bronchial tubes, which are an important part of the respiratory system, perform an important function of exchanging air to and from the lungs. However, sometimes due to various triggers, these bronchial tubes can get inflamed causing a mucus build-up. The symptoms like coughing and dyspnea that are...

• Does the Pertussis Vaccine Have Any Contraindications and Side Effects?

  Pertussis is an infection of the upper respiratory system. The disease is highly contagious and spreads through the coughing and sneezing of an infected individual. This highly contagious and airborne disease is caused by the bacteria called Bordetella pertussis. The symptoms of pertussis typically...

• What Causes Lower Back Pain?

  Basically anyone can experience lower back pain but studies have shown that adults of age 30 to 60 years tend to have a higher chance of experiencing back pain. Nevertheless, no one is safe from lower back pain.Lower back pain can be caused by a variety of problems with any parts of the complex,...

• What Is Raynaud’s Disease: Causes, Symptoms, Diagnosis, and Treatment

  What is Raynaud’s disease?Raynaud’s disease, also known as Raynaud’s syndrome or Raynaud’s phenomenon, is a rare blood vessel disorder described by a French physician named Maurice Raynaud in 1862. In this condition, the blood vessels that carry blood from the heart to other parts of the...

• How Long Can Sperm Live?

  Introduction An average man ejaculates 1/2 teaspoon to 1 teaspoon of semen. This small amount of semen contains millions of sperm cells. It only takes one sperm to fertilize an egg, but each sperm has a limited life span, which begins once it leaves a man's body.For a couple trying to have a baby,...

• What Could Halitosis Mean?

  IntroductionHalitosis is also referred to as bad breath in layman’s term. Having bad breath can be embarrassing and may sometimes cause anxiety. Bad breath is commonly experienced by people. In fact, 1 in every 15 people experiences halitosis on a regular basis. Halitosis has a number of...