Most favor certain health-promoting changes, such as correcting inherited diseases that would affect newborns or altering animals so that they can grow organs for people who need them. But crafting luminous pets and smarter babies would be taking the science too far, a majority of respondents said.
African elephants die from cancer at a third the rate of people — that's despite weighing up to a hundred times more and living well into their 70s. Trillions more long-lived cells should equal more chances for tumors, yet somehow these pachyderms are protected.
With its many older buildings and shipbuilding heritage, Philadelphia faces a legacy of asbestos dangers. Much of the scientific research linking asbestos fibers and cancer was assembled by Philadelphia researchers.
A team of scientists found that blood levels of acetyl-L-carnitine, a compound produced by the body which plays a role in cellular metabolism, appear to play a role. But don't rush out to the drug store for supplements.
"We don't have enough studies that demonstrate the benefits of medical cannabis," a Pitt expert on addiction said. "And the perceptions about the risks related to cannabis are going down, particularly among adolescents."