Dr. John S Macdonald MD

Recommended Articles

• Why do I have Chronic Fatigue?

  “People often come to doctors because of chronic tiredness. It is one of the most common complaints that bring them to the doctor”, says J. Fred Ralston Jr., MD, an internist practicing in western Tennessee and past president of the American College of Physicians. Ralston adds that there are...

• Polydipsia: What Causes Excessive Thirst?

  What is polydipsia?Polydipsia is a medical term given for extreme thirstiness. It is said to be one of the initial symptoms of diabetes. Polydipsia is also accompanied by either temporary or constant dryness in the mouth. It is very important to consume adequate amounts of water in a day, so that...

• Your Touch Can Influence Your Behavior

  According to a new study an individual's sense of touch can influence the way he or she views the world. According to the researchers at Yale, Harvard, and the Massachusetts Institute of Technology, textures, shapes and weights can influence judgments and decisions. For example, people who are...

• What Is Hormone Therapy?

  Hormone therapy is often used to relieve menopausal symptoms. However, since estrogen plays a crucial role in maintaining bone health, hormone therapy is another treatment option for osteoporosis.How does hormone therapy work?Following menopause, your body produces less estrogen and progesterone...

• Tdap Vaccine for Whooping Cough

  The Tdap vaccine protects the body from three diseases: tetanus, diphtheria, and whooping cough....

• The Possible Causes of Rib Pain

  What is a rib cage?A human rib cage consists of 12 pairs of ribs, which are symmetrically paired on both sides of the body. The rib cage shields the organs located in the chest region, which include the lungs and heart from any kind of damage or injury. The ribs are attached to the sternum...