Gene discovery sheds light on sleep requirement
US researchers have identified a single gene alteration that controls the amount of time a fruit fly sleeps for. The discovery could lead to new ways of treating sleep disturbances in people, say the scientists, who are based at the University of Wisconsin Medical School. The findings, published in the...
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Why treat PGD for late onset disorders differently?
by Dr Mohamed Taranissi
Like so many areas of new reproductive and genetic technology, PGD for susceptibility and late onset disorders needs careful attention. It raises some unique questions, and the recent decision of the Human Fertilisation and Embryology Authority (HFEA) to license PGD for bowel cancer has attracted much criticism from those who...