Dr. John C Heffernan MD

Recommended Articles

• Women Who Smoke Increase Their Risk for Hot Flashes

  According to a recent study, women who smoke frequently are prone to more hot flashes during menopause, compared to women who do not smoke at all. Earlier studies suggest that there is a link between smoking and early menopause, in addition to menopause encourages worse symptoms. A recent study that...

• Can Dehydration Cause a Lack of Appetite?

  When a body doesn’t have sufficient fluids, it becomes dehydrated. Although dehydration mostly occurs during warm seasons when people work outdoors and don’t drink plenty of water, it can also happen in various situations and can be very dangerous or even fatal. Dehydration occurs in three...

• Atrial Fibrillation: Get the Facts

  Atrial fibrillation is a heart condition that occurs due to an irregular or abnormal beating of the heart. It is a serious medical condition that can result in fatality if not treated.An abnormal heartbeat takes place when the pace of the atria and that of the ventricles are not in harmony. The...

• 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...

• Salon Employees Are Exposed to High Levels of Chemicals

  According to a new study, Vietnamese nail salon workers are exposed to high levels of chemical that can be harmful for the health. The study published in the American Journal of Public Health shows that these workers are exposed to unsafe levels of toluene, a solvent associated with a number of...

• What Is the Purpose of the Hormone Prolactin?

  What is prolactin?Prolactin or luteotropic hormone (LTH) is a peptide hormone, which promotes milk secretion in female mammals. This hormone also plays a significant role in pancreatic development, immune system regulation, and metabolism. When women become pregnant, their prolactin levels increase...