Dr. Douglas Alan Heighton M.D.

Recommended Articles

• Is it Lung Cancer or COPD?

  Chronic Obstructive Pulmonary Disease (COPD) and lung cancer are two ends of the same spectrum. Though vastly different in core characteristics, they share many symptoms such as painful wheezing, a persistent cough, and the production of copious mucus. Both these diseases have similar causes and...

• What Is a Normal Heart Rate?

  What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

• What Is Nicotine?

  IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

• All About Addison's Disease

  What is Addison’s disease?One of the ways in which the body maintains proper balance is by using certain chemical messengers called as hormones. This done so to regulate various functions in the body. There is a small adrenal gland present above each kidney. These glands work to produce hormones,...

• What are the Signs and Symptoms of an Ear Infection?

  Our ear consists of three parts: the outer ear, the middle ear, and the inner ear. Infections can occur in any part of the ear, but middle ear infections are the most common. The middle ear is the part of your ear located between your eardrums and inner ear. It is the air-filled space that contains...

• What Causes Middle Back Pain?

  Middle back pain, also known as upper back pain or thoracic back pain occurs anywhere between the bottom of the neck to the top of the lumbar spine, where the rib cage ends. The ribs are connected to the sternum (a narrow thickened plate in the center of the chest) and then wrap round the...