Breakthrough Test for Down Syndrome
    Breakthrough Test for Down Syndrome

    A new technique could revolutionize diagnosis using a new test for Down syndrome in a way that mothers will love. All it takes is 1/2 tsp of the mother's blood for stunningly accurate results. Then No…

    Down Syndrome Testing and Vegetarians
    Down Syndrome Testing and Vegetarians

    Dr. Greene's take on Down Syndrome testing for vegetarian moms... Pregnant women who are vegetarians may be unnecessarily worried by prenatal screening tests, according to a study from the Chang Gung …

    Can She Hear Me?
    Can She Hear Me?

    Most babies with hearing loss are not diagnosed until they are 1 to 3 years old, unless a routine screening hearing test is done. These simple tests are recommended for all babies. However, about 1 o…

    Cheap Genetic Testing At Home?
    Cheap Genetic Testing At Home?

    A brilliant idea may bring expensive medical tests into reach using nothing more exotic than home computer with a CD drive. Up until now, many specific protein tests have relied on $100,000 fluorescen…

    Who are Radiologists?
    Who are Radiologists?

    Dr. Greene's Answer: A radiologist is a physician who specialized in imaging techniques after completing medical school. If one is involved in doing or interpreting the CT scan, there is a higher chan…

    When are MRIs not practical?

    Dr. Greene's Answer: The MRI is a very strong magnet -- you would not want it to move around metal clips in the head, or anywhere else in the body! Read More From This Series: CT Scan Defined CT Scan,…

    Other Radiation Exposures

    Dr. Greene's Answer: Plain chest x-rays use a very low level of radiation (you get about the same level of background radiation every 3 days or so just from living on planet earth). Some types of x-ra…

    What is Ionizing Radiation?

    Dr. Greene's Answer: Ionizing radiation is radiation that produces ions when it interacts with matter -- it changes the structure of atoms. (more…)…

    Important Tip to Reduce to Radiation Exposure

    Dr. Greene's Answer: The amount of radiation used for a CT scan depends on the part of the body being examined and the level of detail needed. Far less radiation exposure is needed to get the same ima…

    Hemoglobin Levels

    Dr. Greene's Answer: A hemoglobin test measures hemoglobin levels -- not iron. The most common reason for low hemoglobin is low iron, but it can be caused by many things. The CBC (complete blood count…

    Young boy outdoors in a yellow slicker, puffing on an inhaler. What are asthma signs?
    Asthma Signs

    Dr. Greene's Answer: Most people don't realize it but some kids with asthma cough instead of wheezing (called cough-variant asthma). Those that cough during exercise should be checked for asthma, espe…

    Fifth Disease
    Fifth Disease: A-to-Z Guide from Diagnosis to Treatment to Prevention

    Introduction to fifth disease: A child with bright red cheeks and a rash on her trunk is sent home from kindergarten. Her teacher is pregnant. Was it best to send the child home? What is fifth disease…

    Baby crying while being fed. Could it be Gastroesophageal Reflux?
    Gastroesophageal Reflux: A-to-Z Guide from Diagnosis to Treatment to Prevention

    Introduction to gastroesophageal reflux: GE reflux wears many faces. You might see a baby who spits up all the time...an adult with heartburn...a child who won't gain weight...an unhappy toddler...a c…

    Early Puberty
    Early Puberty: A-to-Z Guide from Diagnosis to Treatment to Prevention

    Introduction to early puberty: When childhood is ending, it often feels like it has all gone by too fast. It's bittersweet watching our children's bodies change into those of young men and women. How …

    Deafness: A-to-Z Guide from Diagnosis to Treatment to Prevention

    Introduction: In that first golden moment when you gazed at your baby in the delivery room, he was already beginning an amazing journey of learning. And how do children learn? They take in the world b…

    Anemia (Low hemoglobin): A-to-Z Guide from Diagnosis to Treatment to Prevention

    Introduction to anemia: Blood is a straw-colored liquid packed with red blood cells (that deliver oxygen to the body), white blood cells (that provide protection from infections), and platelets (littl…

    Diabetes Options for Children
    Diabetes Options for Children

    On Tuesday, August 27, 2002, the US Food and Drug Administration (FDA) announced that it had approved the Glucowatch for use in children and teens with diabetes. (It had been approved for adults in 20…

    Photoscreening to Test the Vision of Babies, Toddlers, and Children with Developmental Delays
    Photoscreening to Test the Vision of Babies, Toddlers, and Children with Developmental Delays

    Dr. Greene's take on photoscreening... Cover one eye, and read these letters? Testing the vision of babies, toddlers, and children with developmental delays can be difficult and inaccurate. It's also …

    Butterbur - An Effective Natural Remedy for Allergies? Is It Safe? Or Does It Cause Liver Cancer? What You Need to Know
    Butterbur – An Effective Natural Remedy for Allergies? Is It Safe? Or Does It Cause Liver Cancer? What You Need to Know

    Petasites is a shrub with incredibly huge leaves, up to 3 feet in diameter, usually found in low-lying wet areas and marshes. The plant is sometimes called butterbur, perhaps because the large, soft l…

    A Blood Test for Behavior Problems
    A Blood Test for Behavior Problems

    We know that lead is both a powerful and treatable cause of toxicity to children's brains and nervous systems. Because so many children with developmental and behavioral problems have high blood lead …