Dr. Walter E. Rizzoni MD, FACS, FSVS

David F. Cerda has been wheelchair-bound ever since he was 10 years old. This was caused by muscular dystrophy. Muscular dystrophy is a disease that affects the muscular and skeletal system by weakening the muscles and causing the loss of muscular mass. Mutations or abnormal genes in the muscle...

Immunotherapy involves using the body’s natural defenses in fighting against diseases. It usually involves the use of drugs that are made in a laboratory. The introduction of these foreign substances in the body to trigger a certain reaction will produce certain symptoms, which are termed as side...

What is vitamin D?Vitamin D is a unique fat-soluble vitamin that plays a significant role in many aspects of health. Also referred to as the sunshine vitamin, it stands out from other types of vitamins since the body can produce vitamin D through sunlight exposure. With 20-25 minutes of daily sun...

Genital warts are small and large growths that are bumpy and appear on the skin of genital areas. They are sexually transmitted and are caused by human papillomaviruses (HPVs). The warts can spread from genital areas to other parts of the body and vice-versa. Some genital warts are too small to be...

As someone with cystic fibrosis, you probably sometimes have difficulty breathing. You may even know that the cause of the trouble most often relates to the mucus in your lungs. It is a clear, green or yellow slime which causes intense aggravation. In the case of people with cystic fibrosis, it can...

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,...