Developing blood substitude is a great medical advance, but a new study raises some serious concerns about the rush to bring these artificial blood substitutes to the market.
Botulinum neurotoxin - responsible for the deadly food poisoning disease botulism and for the beneficial effects of smoothing out facial wrinkles - can also be used as a dreaded biological weapon.
AP - Experimental blood substitutes raised the risk of heart attack and death, yet U.S. regulators allowed human testing to continue despite warning signs, says a scathing new report.
AP - The number of pregnant women with pre-existing diabetes has more than doubled in seven years, a California study found, a troubling trend that means health risks for both mothers and newborns.
AP - Frightened by headlines about Lasik side effects? Lasik gets all the advertising, but there are half a dozen alternate eye surgeries from a simpler laser approach to implantable lenses that might solve your squint.
AP - New research challenges the notion that you can be fat and fit, finding that being active can lower but not eliminate heart risks faced by heavy women. "It doesn't take away the risk entirely. Weight still matters," said Dr. Martha Gulati, a heart specialist at Northwestern Memorial Hospital.
