Dr. Erin N Marcus MD

Uncontrollable shivering is characterized by the rapid shifting between muscle relaxation and contraction. It is through these contractions that the body warms itself up when exposed to cold. Shivering is not always accompanied by fever. In some cases, shivering may occur before the onset of...

What is vitamin D?Vitamin D is a unique fat-soluble vitamin that plays a significant role in many aspects of health. Also referred to as the sunshine vitamin, it stands out from other types of vitamins since the body can produce vitamin D through sunlight exposure. With 20-25 minutes of daily sun...

OverviewDyspnea is the clinical term for shortness of breath or breathlessness experienced by both healthy individuals and patients with respiratory or cardiovascular diseases. It can also be a temporary condition that quickly resolves on its own or a symptom of a more serious health condition. A...

Developing gray hair is inevitable in everyone's life time. "The color of the hair changes when the pigment-producing cells stops the production of the pigment," says Jeffrey Benabio, MD, a dermatologist at Kaiser Permanente in San Diego. The color may also be bleached by the build up of naturally...

According to a California report, some of the polishes and other products used in nail salons contain high levels of toxic chemicals, in spite of label that it is toxic-free. Scientist Valetti Lang, acting manager of the Pollution Prevention Branch of the Department of Toxic Substances Control for...

These seeds were an integral part of Mayan and Aztec diets for years and were used as energy boosters in these early cultures. As many studies show, these seeds are good nutritional addition to foods. Chia seeds come in two colors: dark brown or black. The attractive quality of this food is that it...