Dr. John C Heffernan MD

Recommended Articles

• What Is Dysuria?

  Introduction Dysuria is the medical term used to describe painful or difficult urination. The discomfort is usually characterized by a burning sensation. Most individuals who complain of painful or burning urination have a urinary tract infection. There are many health conditions that can cause...

• 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...

• There's No Doubt: Active Children Have Healthy Hearts

  Vigorous exercise for 30 minutes every day lowers the risk of heart disease in children, when compared to those who do not exercise. Kids who had regular, moderate exercise for 35 minutes a day had very low levels of cholesterol, triglycerides blood glucose levels, blood pressure, and a small waist...

• Stretching Before Running Does Not Prevent or Cause Injury

  According to a new and interesting study stretching before running may not prevent or cause injury but switching the routine increases the risk of injury considerably. The results of the study presented at the annual meeting of the American Academy of Orthopaedic Surgeons provided a surprise twist...

• Do Irregular Periods Cause Infertility: How to Get Pregnant

  Any woman can feel a great deal of anxiety when experiencing irregular periods. However, several women have been affected by it and have become a common problem of women these days. If a woman misses her period, it can be a sign of pregnancy, but having irregular periods may also indicate some...

• 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...