Dr. Crystal Barnwell, MD

Recommended Articles

• Sore Tongue

  The tongue is made up of different muscles that help us speak, swallow, chew, or taste food. So when we have a sore tongue, it can be quite hard to ignore.Although a sore tongue is not always a cause for concern, emergency medical attention may be required in some cases, such as rapid tongue...

• Vitamin D Deficiency Signs and Symptoms

  What is vitamin D?Vitamin D is an important element to building strong and healthy bones as well as good overall health. It is also a vital nutrient that makes sure that the brain, lungs, heart, and muscles function well.Vitamin D is a fat-soluble vitamin. The body can make its own vitamin D when...

• Yawning Scientific Facts: Why Do We Yawn and Is It Contagious?

  What is yawning?Usually, yawning is associated with boredom, fatigue, and tiredness. Yawning is also very common in animals, such as dogs, monkeys, snakes, and carnivores. Yawning is also associated with numerous superstitious beliefs.In humans, yawning is considered as a purposeful non-verbal...

• Everything You Need to Know About the Zika Virus

  What is Zika virus?Zika virus (Flavivirus) isn`t a new virus, initially, it was found in Uganda and called after the place where the virus was first detected- Zika forest (1947). It is a mosquito-borne virus, which is transmitted from a particular species of infected insects (Aedes), the aggressive...

• What Is Hib Meningitis?

  Hib meningitis is an infectious disease that is life-threatening. The disease is characterized by inflammation of the surrounding layers of the spinal cord and the brain. The meninges are layers that assist in protecting the brain from infection and injury. Children who are below 4 years old are the...

• Cholera and Diarrhea

  How Is Cholera Related to Diarrhea? Cholera is an infection that occurs in the small intestines. It is caused by a bacterium known as Vibrio cholerae. The disease is acquired through the intake of contaminated food or water. When an infected person defecates and then clean water comes into contact...