Here are some of the latest health and medical news
developments, compiled by the editors of HealthDay:
Eastern Governors Want Tighter Air Pollution Rules in Midwest
The governors of eight Eastern states want the Environmental
Protection Agency to impose stricter air pollution standards on
nine Appalachian and Rust Belt states.
For more than 15 years, New York and other East Coast states
have had tighter air pollution controls than many other areas of
the country, and their governors have long criticized Midwest
states for having weaker regulations while winds carry their coal
burning air pollution to other states,
The New York Timesreported.
The petition was to be presented to the EPA on Monday, the day
before the Supreme Court is set to hear arguments in a case
involving a related EPA regulation that's known as the "good
neighbor rule" but is officially called the Cross-State Air
The regulation would require states that create coal burning air
pollution that travels to other states to reduce emissions either
by installing pollution control technology or by closing the
Even if the Supreme Court upholds the law against the legal
challenge, the Eastern governors still want the EPA to impose
tighter controls on air pollution on the Appalachian and Rust Belt
Men Thought to be Cured of HIV Have Traces of the Virus
Two Boston men previously believed to have been cured of HIV now
have traces of the AIDS-causing virus in their blood, researchers
The two patients made headlines in July when doctors announced
they no longer had any detectable traces of HIV in their body. The
men had received stem cell transplants after being diagnosed with
the blood cancer Hodgkin's lymphoma, and doctors believed the
transplants had enabled the men's bodies to eliminate HIV,
At the time of the announcement that the men were HIV-free, they
had not been taking antiretroviral medications for 15 weeks and
seven weeks, respectively.
The discovery that the men now have traces of HIV in their
blood, which was announced at an international conference on AIDS
research in Florida, indicates that the virus can hide in places in
the body where it is difficult to detect.
"This suggests that we need to look deeper, or we need to be looking in other tissues . . . the liver, gut, and brain," said Dr. Timothy Henrich, associate professor of infectious diseases at Brigham and Women's Hospital in Boston, CBS Newsreported.
"These are all potential sources, but it's very difficult to obtain tissue from these places so we don't do that routinely," he explained.
Despite the reemergence of HIV in the two men, their cases
provide insight that may help efforts to develop new
"We go back to the drawing board," Henrich said. "It's exciting science, even if it's not the outcome we would have liked."
Traces of HIV were found in the blood of another man who claimed
to have been cured of HIV after receiving a stem cell transplant,
but the man claims the viruses are dead and can't replicate,
A Mississippi baby born with HIV was also determined to be cured
of HIV after being given a powerful three-drug infusion within 30
hours after birth. In October, researchers said the baby still
appears to be HIV-free.
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