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Each new adult-stem-cell breakthrough makes the research easier by offering scientists more options, but advances in genetics make the issue of reproduction harder. Couples can screen out embryos for cystic fibrosis and cancer risk. Should they also be allowed to screen for blond, for smart, for straight or gay? We are on a road toward reproduction that doesn't require eggs and sperm at all. This is a moral wilderness, full of hope and traps. I don't expect aspiring parents to bring order to it when all they want is to survive the journey and make...
...toxic or benign—may make the largest waves in medicine as a noninvasive diagnostic device through “breath analysis.” Its high sensitivity can be manipulated to detect certain chemicals in the breath indicative of conditions including diabetes, ulcers, colon cancer, and cystic fibrosis...
...gene therapy is anything that introduces new genetic material to help fight or prevent a disorder. Treatment options are still in the experimental stages, and are not free of philosophical critics. But gene therapy has also been heralded as a potential cure for all kinds of genetic diseases (think cystic fibrosis or sickle-cell anemia) and even for cancer - with promising lab results to back up the hype. For that reason, gene therapy is a hive of research activity. Ali is joined by many others, at the universities of Pennsylvania, of Florida, and of Iowa, for example, who have spent...
...still others, who accept in vitro fertilization, aren't convinced that ACT's technique does not harm the embryo. The procedure, which is based on pre-implantation genetic diagnosis, a test commonly done when couples at IVF clinics are concerned about passing on genetic diseases such as cystic fibrosis and Duchenne muscular dystrophy, is supposed to spare the embryo after a single cell is removed. But since the test has only been used widely since the 1990s, it's not absolutely clear that taking one cell out of the embryo has no effect on normal development of the implanted embryos...
...Collins' trailblazing work identifying genetic defects that predispose to cystic fibrosis and other diseases led to his succeeding double-helix discoverer James Watson as head of a 2,400-scientist, multination project to map all 3.1 billion biochemical letters that constitute the human blueprint. In 2000, Bill Clinton honored Collins and his private-sector competitor Craig Venter in the White House, crediting their complementary genome work with uncovering "the language in which God created life." (See pictures of America's pastor Billy Graham...