Sam Afshar MD

Recommended Articles

• 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...

• What Is Raynaud’s Disease: Causes, Symptoms, Diagnosis, and Treatment

  What is Raynaud’s disease?Raynaud’s disease, also known as Raynaud’s syndrome or Raynaud’s phenomenon, is a rare blood vessel disorder described by a French physician named Maurice Raynaud in 1862. In this condition, the blood vessels that carry blood from the heart to other parts of the...

• What Are the Triggers of Atrial Fibrillation?

  What are the Triggers of Atrial Fibrillation?Atrial fibrillation (A-Fib) is a condition that affects the upper chambers of the heart, also known as the atria.In a healthy human heart, the electrical impulses pass through the atria through a contraction to the ventricles and fibers to complete a...

• There is a Link Between Anabolic Steroid Use and Heart Conditions

  A study published in the journal Circulation: Heart Failure, has shown that continuous use of anabolic steroids may weaken the heart. To add to the woes, researchers are not clear whether this change is a reversible one. In this study, weight lifters who took steroids regularly had impaired heart...

• Heart Palpitations: What Is It and What Are the Causes?

  Our heart rate is automatically controlled by the autonomic nervous system (ANS) that has two divisions: sympathetic and parasympathetic. The part of the ANS that is responsible for raising a person’s heart rate through the sympathetic plexus is the sympathetic division. The parasympathetic...

• Taurine Reduces the Risk of Coronary Heart Disease in Women

  For women with high cholesterol, incorporating taurine into the diet can reduce the risk of heart diseases.According to the European Journal of Nutrition, it is revealed that taurine, the amino acid found in high amounts in poultry, meat, and in other food products, is highly useful and works as a...