Dr. Allan Harvey Harris MD

Recommended Articles

• Suffering from Constant Nausea? Here's What It Could Be

  IntroductionNausea is an unpleasant feeling that is usually experienced before vomiting. Constant or persistent nausea is characterized by feeling nauseous for more than 24 hours. Although nausea and vomiting often come together, vomiting may occur without feeling nauseous and nausea can occur...

• What Are the Types of Bipolar Disorder?

  What is bipolar disorder?Bipolar disorder is a mental illness characterized by extreme mood swings. The mood swings can be extremely high or low. They can last a few hours, days, weeks or even months. The mood swings consist of mixed emotions both of extreme happiness or extreme depression.Bipolar...

• Different Blood Types and What They Mean

  The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

• Leptin Resistance: Symptoms, Causes, and Treatment

  What is leptin?Leptin has been regarded as the "fat hormone", "obesity hormone", and in some cases, called the "starvation hormone". Scientists discovered leptin in the year 1994, and with its discovery, there was a lot of excitement since it was regarded as a potential hit product for weight loss...

• 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...

• What Is Metabolism?

  IntroductionMetabolism is a complex biochemical process that is needed to maintain life. Availability of nutrients and nutrition are closely associated with metabolism since metabolism is a process that involves the conversion of food into energy, which is used to fuel the body's cells. The basal...