Dr. Francisco Vallejo 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...

• Is Tonsillitis Contagious?

  What is tonsillitis?Tonsils are two glands located at the back of the throat and can be seen through the mouth. These glands help prevent infections from developing in the body. Tonsillitis happens when the tonsils become inflamed or infected by viruses or bacteria. Tonsillitis is a common...

• Resistance Training Is Key for Flexibility

  A study presented at the American College of Sports Medicine's annual meeting in Baltimore has shown that resistance training also may be good in improving flexibility and strength. “According to the study, resistance training can improve the flexibility as well as or better than stretching," says...

• Syphilis: How Does It Affect Men and Women?

  Syphilis is a sexually transmitted disease that affects both men and women. The most common locations for the chancre to appear are in the penis, vagina, anus, and even in the oral cavity. There is not much difference in men and women as far as symptoms, diagnosis, and treatments are concerned....

• How Do Kidney Stones Develop?

  Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...

• Background Noise from Televisions Can Affect Your Child's Ability to Learn

  Background noise from the TV, when we leave it on without watching it, may affect young children, reports a new study. The study also reports that children in U.S. are exposed to an average of four hours of background noise from the TV. The results from the study were presented in the International...