Charles Lewis Schulman M.D.

What are The Symptoms of Lethargy?Lethargy symptoms include:• Sluggishness• Being moody• Decreased level of alertness• Low energy levels• Fatigue and lack of motivation• Depression• Weight loss• Sweating and diarrheaMedical conditions such as premenstrual syndrome and medicinal side...

The following are a list of different painful experiences that one must seek medical attention for:Severe headache“If headache is accompanied by a cold, it could be sinus headache”, says Sandra Fryhofer, MD, MACP, spokeswoman for the American College of Physicians. If the headache is severe and...

Tachycardia refers to rapid heartbeat, with more than 100 beats per minute. When this fast rhythm starts from the lower chambers of the heart (the ventricles) this condition is referred to as ventricular tachycardia. This fast beating heart rate may lead to a condition called ventricular...

Heart palpitations, although it feels like a scary experience, are not always a sign of something serious. These palpitations are harmless but there are some instances when it could be a signal to a serious heart disease, especially if it is associated with other symptoms. This article explains...

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...

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...