Dr. Hans Neville Rivera M.D.

Recommended Articles

• What Doctor Should I Call if I Have Mononucleosis?

  Signs and SymptomsOne should call a doctor when he or she is sick and notices the following signs and symptoms:...

• Can Laryngitis Be Accompanied by a Cough?

  The inflammation of the voice box (larynx) is what is known as laryngitis. Usually, laryngitis heals in a week without the need of treatment.Laryngitis symptoms start unexpectedly and normally worsen in two to three days. The symptoms include:...

• When to See a Doctor About a Sore Throat

  Both children and adults can be affected by sore throats for a variety of reasons. These include bacteria, allergy, viruses and drainage of a runny nose that can lead to throat pain or discomfort.Sore throat is usually a symptom of an underlying condition. To be able to treat a sore throat, the...

• Causes and Treatment for Gynecomastia

  What Is Gynecomastia?When boys enter adolescence, they will see a lot of hormonal changes in their body. The growth in both maternal and paternal hormones leads to changes like a growth of hair, deepening of the voice, etc. In some cases, due to excess estrogen in the body, the breast tissue in...

• Health Benefits of Biotin

  What is biotin?Biotin is a water-soluble vitamin also known as vitamin B7. This vitamin is critical for an organism's growth and development. It also serves as a coenzyme of carboxylase enzymes and is involved in the metabolism of carbohydrates, fatty acids, and amino acids. Biotin is required to...

• 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...