Dr. Gregory J Legris M.D.

IntroductionOur lungs are one of the hardest working organs in the body. Each minute, our lungs expand and contract up to 20 times. This is done to exchange carbon dioxide with oxygen. An obstruction in this process is called as bibasilar atelectasis, which is a life-threatening condition. It...

Croup and asthma are two conditions that involve organs, which are responsible for breathing. Since both conditions affect the respiratory system, it is highly advisable to learn their differences to be able to approach each condition properly.What Is Croup?Croup is typically caused by a virus. It...

What is RSV?RSV or respiratory syncytial virus is a common virus that usually affects the respiratory tract. It can cause colds in adults and older children, but may cause serious lung infections, such as pneumonia or bronchiolitis in babies and immunocompromised individuals. CausesRSV is only...

IntroductionTay-Sachs disease is a genetic disorder that affects the brain's nerve cells. Individuals who have this disorder lacks a type of protein that is needed to break down fatty substances in the brain. Without this protein, fatty substances accumulate in the brain to toxic levels, which...

A risk factor could be any one of numerous influences that make you prone to developing cancer. There are unavoidable factors that you have no protection against. Some of these are a family history of genetically inherited traits, and age and gender issues. There are wholly avoidable factors such...

What is cystic fibrosis?It is a genetic disease that affects both young children and adults. It mainly affects the lungs and the digestive system. When a child inherits two copies of the genes responsible for cystic fibrosis, the child develops the disease.The complications associated with the...