Dr. Brian F Mcdonald MD

Recommended Articles

• What are Electronic Cigarettes?

  First introduced in China, E-cigarettes, or electronic cigarettes, are devices that make nicotine vapors for inhaling. It is battery powered, and is a popular choice for people who do not want to inhale smoke that is in normal cigarettes. It is considered as an alternative for tobacco lovers as the...

• What Does a High Red Blood Cell (RBC) Count Mean?

  OverviewRed blood cells (RBCs), also called erythrocytes, are the cells that carry oxygen throughout the body. They are also one of the major components of blood. Having a high red blood cell (RBC) count means that the number of RBCs in the bloodstream is higher than normal. When you have signs and...

• What Is Tramadol Used For?

  Tramadol, sold under the brand name "Ultram" in the United States, is a synthetic opioid analgesic used to manage moderate to moderately-severe pain. It is generally used to relieve pain as that experienced during chronic conditions like arthritis or after surgery. Tramadol Hcl 50 mg also arrives in...

• What Is Shivering: 15 Conditions That Might Cause Chills

  What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...

• 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...

• What Is Ringworm?

  Ringworm, or tinea, refers to a fungal infection of the skin. The term ‘worm’ is derived from the old belief that the disease was caused by a worm. The term ‘ring’ refers to the characteristic ring-shaped patches produced by the fungus on the skin. Infection is often found in the outer layer...