December 16th, 2014
Spaying and neutering involves the surgical removal of a pet’s ovaries (spay) and testicles (neuter). We have all been taught that this procedure helps thwart many health, behavioral, and population problems. Research is now refuting the health benefits and making the decision of if and when to spay/neuter much more difficult.
Here are 9 research studies to consider.
A 2012 study concluded that sex hormones promote certain cancers and that the increased risk of mammary cancer in unspayed females is not scientifically proven.
A 1999 study found that spayed females had 5 times more risk of developing a heart tumor while neutered males[...]