Metabolic Disorders: The Blue-Red Test for Trouble


If a baby seems normal at birth but soon appears listless, fails to gain weight, and suffers from jaundice, vomiting and diarrhea, his mother can hardly be expected to know that he may lack the enzyme galactose1 -phosphate uridyl transferase. Neither can doctors, unless they send samples of the baby's blood and urine for timeconsuming, costly lab tests. Then, if the tests show an excess of galactose (milk sugar) in the blood or urine, doctors know what the trouble is and how to remedy it.

Since the baby cannot metabolize galactose to...

Want the full story?

Subscribe Now


Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!