Health - AP

ATLANTA - Some swine flu cases in Michigan are raising questions about obesity's role in why some people with infections become seriously ill.

WASHINGTON - The Food and Drug Administration on Friday approved a highly anticipated blood thinner from Eli Lilly, though the drug must carry the agency's sternest warning because of its bleeding risks.

WASHINGTON - Key House Democrats decided Friday to raise taxes on the wealthy to help pay for health care legislation, capping an up-and-down week for President Barack Obama's top domestic priority. At the same time, Democratic leaders tried to quell concerns among moderate and conservative lawmakers about other elements of the bill.

LONDON - One in three breast cancer patients identified in public screening programs may be treated unnecessarily, a new study says. Karsten Jorgensen and Peter Gotzsche of the Nordic Cochrane Centre in Copenhagen analyzed breast cancer trends at least seven years before and after government-run screening programs for breast cancer started in parts of Australia, Britain, Canada, Norway and Sweden.

WASHINGTON - The Food and Drug Administration said Thursday the strain of E. coli found in a sample of raw cookie dough collected at a Nestle USA manufacturing plant does not match the strain that has been linked to a 30-state outbreak, and they aren't sure how the dough was contaminated.

WASHINGTON - Eat less, live longer? It seems to work for monkeys: A 20-year study found cutting calories by almost a third slowed their aging and fended off death. This is not about a quick diet to shed a few pounds. Scientists have long known they could increase the lifespan of mice and more primitive creatures — worms, flies — with deep, long-term cuts from normal consumption.

Arthritis supplements bought by millions of pet owners for their dogs, cats and horses sometimes skimp on the ingredients the makers claim can help aching paws and aging joints, and some contain high amounts of lead, an independent laboratory found.

WASHINGTON - U.S. swine flu vaccinations could begin in October with children among the first in line — at their local schools — the Obama administration said Thursday as the president and his Cabinet urged states to figure out now how they'll tackle the virus' all-but-certain resurgence.

WASHINGTON - A form of ebola virus has been detected in pigs for the first time, raising concerns it could mutate and threaten humans, scientists report.

LONDON - The World Health Organization has approved a second cervical cancer vaccine, this one made by GlaxoSmithKline, meaning U.N. agencies and partners can now officially buy millions of doses of the vaccine for poor countries worldwide.