Dr. David William Lehman M.D.

Recommended Articles

• Children Who Have Low Levels of Vitamin D Are at Risk for Infection

  A new study has shown that infants who are 3-months-old and have vitamin D levels lower than 25 nanomoles per liter (nmol/L) are two times more likely to have respiratory infections, when compared to children who have levels above 75 nmol/L. In this study, published in the journal Pediatrics,...

• Porn-Induced Erectile Dysfunction: Is It Real?

  Erectile Dysfunction (ED) is the inability of a man to get or maintain a full erection while performing sexual intercourse. The repeated and consistent problems in erection render a man unfit to engage in sexual activity. The University of Washington in Seattle concludes that 1 in 5 men suffer from...

• Are There Specific Causes of Nasal Congestion?

  We all undergo this feeling when the nose becomes blocked with mucus, making it difficult to even breathe. The feeling is very irritating, as with it comes a number of other secondary symptoms. There are various reasons behind nasal congestion, including the pressure on the sinus points. Some of...

• How to Prevent Flare-Ups of Genital Warts?

  Introduction to Genital WartsGenital Warts or venereal warts are caused by HPV (human papilloma virus). When this virus infects a person, warts start appearing on the genitals. While some warts are asymptotic and people may not even realize that they are having it, some appear on the genital areas...

• What Can I Expect After Undergoing Laparoscopic Hernia Repair?

  In laparoscopic hernia repair, the surgeon makes a small incision in or just under your umbilicus and inserts a narrow tube to pump carbon dioxide into your abdomen. The gas lifts organs and other tissue, allowing a good view of your internal structures. The surgeon then inserts a telescope-like...

• What is Sepsis?

  Sepsis is a serious medical condition characterized by an exaggerated immune response towards an infection. This response causes the release of chemicals, which results in widespread inflammation and blood clotting in different parts of the body. Sepsis may result in sudden drop in the blood...