Dr. Rita L Villanueva MD

Recommended Articles

• What Is a Normal Heart Rate?

  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...

• Guaifenesin Drug Interactions

  What is guaifenesin?It is an expectorant. It helps to cough out mucus through the mouth. It is known to reduce chest congestion caused by infections, common cold or allergies, respiratory illnesses, and bronchitis. It is not used to treat cough caused by smoking and long-term breathing problems....

• Tips on Living with Lower Back Pain

  There are a variety of causes as to why you are experiencing lower back pain. Back pain may result from underlying health conditions such as connective tissue diseases, which include different types of arthritis, fibromyalgia syndrome, or sciatica (nerve root pain). Lower back pain can also be...

• Is Bronchitis a Contagious Disease?

  The human respiratory tract starts at the nose and mouth and continues down to the lungs. The air that we breathe in through our nose and mouth passes down the trachea and into the lungs through a series of branched tubes called the bronchi. For a healthy breathing to happen effectively, these tubes...

• Why Is Taurine Used in Energy Drinks?

  TaurineAmino acids are used to build proteins in the body. Taurine is classified as a conditional amino acid, which is not used to build proteins in the body. It is found throughout the body, but it is mostly concentrated in the brain, heart, eyes, and muscles. Taurine is produced in the body but...

• Lactose Intolerance: Get the Facts

  Lactose intolerance is a digestive problem where the body cannot digest the lactose present in milk and dairy products. Lactose is naturally occurring sugar found in dairy products. It is the main carbohydrate found in all types of milk.In a very small number of cases the production of lactase may...