Kuru, New Variant CJD, and the Other Prion Diseases. Phenocopies appear initially to be inherited conditions, but upon closer inspection turn out to be, either wholly or in part, due to an environmental agency. The thalidomide babies of the 1960s, for example, were teratogen-induced phenocopies of phocomelia.

Kuru is a chronic, progressive, uniformly fatal transmissible neurodegenerative disease now suspected to be a phenocopy, and is caused by a prion. Several other prion diseases also exist, such as new variant Creutzfeld-Jakob disease (vCJD); because the prion diseases may not be wholly environmental, however, these will be discussed in more detail below.

New Mothers Guide to Breast Feeding

New Mothers Guide to Breast Feeding

For many years, scientists have been playing out the ingredients that make breast milk the perfect food for babies. They've discovered to day over 200 close compounds to fight infection, help the immune system mature, aid in digestion, and support brain growth - nature made properties that science simply cannot copy. The important long term benefits of breast feeding include reduced risk of asthma, allergies, obesity, and some forms of childhood cancer. The more that scientists continue to learn, the better breast milk looks.

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