Q&A Articles

  • Which milk is best -- soy, rice, almond, or reindeer?
    Allergies to the proteins in cow's milk are not uncommon at 18 months old. Thankfully, most kids that age will outgrow them. In the meantime, breast...
  • Is it Safe to Nurse while being Pregnant?
    Nursing while pregnant is usually very safe for all three of you. Brooke, when women realize they're pregnant while still breastfeeding, they often...
  • Early Puberty in Girls
    I share your concerns, Sarah, about kids being exposed to too many estrogens from dietary and environmental sources - and in some cases (too many...
  • Carrots and Nitrates
    Carrots and Nitrates. Really? Not a problem at 6 months. Parents are often told that it is not safe to feed your baby carrots, spinach, beets,...
  • How long is Hand-Foot-Mouth Disease Contagious for?
    Most adults -- but not all -- have already had Hand Foot and Mouth and are not at risk. There are a few different strains of viruses that cause Hand...
  • Got Metal Detector?
    Maureen, It's not unusual for kids to swallow coins -- especially dimes and pennies because of their attractive size. Coins are the most common...
  • Whole Milk
    I prefer foods close to the way they are found in nature. For instance, drinking a 10 ounce glass of organic whole milk from grass-fed cows can...
  • Elimination Communication
    Infant Potty Training, or Elimination Communication, or the Diaper Free Movement, is a an increasingly popular potty training alternative. Here,...
  • Gluten Free
    Gluten is a composite of two proteins of some grass-related grains, including: wheat (including kamut and spelt) barley rye malt triticale
  • Protection from Past Lead Damage
    Ever wanted a time machine? Here’s good news: several things could help protect us from lead exposures in the past.
  • Advice for Dads: Listen and Learn
    Fathers play critical roles in bringing up babies. Read Dr. Greene’s insight about the top three things kids want from their dads.
  • Dr. Greene on Vitamins
    Some people say nutritional supplements are not necessary. They say all parents have to do is to provide a well-balanced diet for their families. We...
  • Dr. Greene or Daddy Greene?
    Ever wonder about Dr. Greene’s biggest priority when it comes to his kids’ health? Find out what he considers his top role as a father of four.
  • Dr. Greene's Organic Journey: Is it right for your family?
    Discover the Greene family's eating habits and learn Dr. Greene's 10 essential organic food choices for your family. Click here to see Dr. Greene's...
  • Baby food: home-made or from a jar?
    Making baby food at home doesn’t need to take extra time or money. And home-made baby food has the advantage of providing nutritionally rich foods...
  • Our Children and Our World
    What role does the environment play in our children's health, and what can you do to help?
  • The Top Five Questions From Parents
    With the host of information on the Internet, parents can find much more information about health issues. Thus, when parents write us these days,...
  • Prenatal Care
    As a pediatrician, Dr. Greene tries to help parents make the best choices for their baby during – and even before -- pregnancy.
  • Discoloration of Teeth
    Even though you are seeing her teeth for the first time, they have been growing quietly in her gums for some time. The tooth buds that will become...
  • Who are Radiologists?
    A radiologist is a physician who specialized in imaging techniques after completing medical school. If one is involved in doing or interpreting the...
  • What is Ionizing Radiation?
    Ionizing radiation is radiation that produces ions when it interacts with matter -- it changes the structure of atoms. This is important for health...
  • When are MRIs not practical?
    MRIs are almost always preferable to CTs for imaging the head, and usually for the spine, except during trauma or when MRIs are not practical - such...
  • CT Scans and Cancer
    In A-bomb survivors, the lowest exposure measured to increase cancer risk was about 50 mSv. Children who get a single head CT without a special...
  • Measures That Radiologists Should Adhere to When Administering a CT Scan
      Minimize the number of CT scans. Radiologists should review the reasons given for any CT scan, and communicate well with the ordering doctor...
  • Other Radiation Exposures
    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...