No travel restrictions have been recommended or imposed at this time. There is concern that someone who wanted to have a prohibited genetic test performed, would only have to send a blood sample to a laboratory somewhere else in the world. Additionally, there are concerns about the use of genetic screening in the job market or as a prerequisite for insurance. It was concluded that there is little time to work out needed ethical guidelines since the technical development of the DNA chip is already advanced and systems are now being introduced into medical practice. When the plaque gets thick enough, a network of fine blood vessels known as capillaries sprouts up to feed the cells oxygen and nutrients.
Large arteries have their own blood supply system, from which the plaque-feeding capillaries arise.
Endostatin, is a compound that is currently being evaluated for its ability to cut off the blood supply to tumors in animals. The finding was published in the journal Circulation. However, the implications are not straightforward. Ophthalmology Nearsightedness results when a person's cornea is too steeply curved and is most commonly corrected with glasses or contact lenses. Surgical procedures to correct nearsightedness include changing the corneal shape by cutting into the cornea and using a laser to remove small amounts of tissue to change its shape.