Canadian vaccination study proves 'herd immunity' - Inoculating children against flu protects more people of all ages in the larger community, probably because young people tend to spread viruses through physical play, Canadian researchers said on Tuesday.

Vaccinating Kids Helps Adults Avoid Flu - Researchers studying isolated communities in Canada showed that immunizing children against influenza lowered flu rates among unvaccinated adults by 60 percent.

Brazil's Silva quits smoking after 50 years - BRASILIA, Brazil - Brazil's president said Tuesday that he kicked the smoking habit he had for 50 years after a recent health scare sent his blood pressure soaring....

Feeling Depressed or Anxious? Screen Yourself Online - These simple tools won't provide a diagnosis, but they can help you decide whether you need help.

FDA approves Botox to treat wrist, finger spasms - U.S. regulators on Tuesday approved the use of Allergan Inc's wrinkle smoother Botox to treat spasms of the elbow, wrist and fingers in adults.

Live kidney donors do not die sooner: study - Healthy Americans who donated a kidney were not at higher risk of dying afterward, which may reassure potential donors and help shorten the long waiting list for an organ, U.S. researchers said on Tuesday.

U.S. says "drugged driving" growing threat - VIENNA - Motorists under the influence of drugs are a growing threat on U.S. roads, while the number who drink and drive has fallen thanks to education and law enforcement, a top U.S. drug control official said on Tuesday.

What do you believe in? - ad - Do you believe that cleaning the house shouldn't involve polluting the earth? If you use bleach, then you believe a clean home is more important than a clean earth and water supply. But you can have it both ways. There are BETTER cleaners that will kill the bad germs without harming the water supply.

Health Buzz: Scientists Expose an HIV Hiding Spot - Abortion debate hangs over health reform efforts; identifying suicide risk before it's too late.

Researchers: AIDS virus can hide in bone marrow - The virus that causes AIDS can hide in the bone marrow, avoiding drugs and later awakening to cause illness, according to new research that could point the way toward better treatments for the disease....

How to Identify Suicide Risk Before It's Too Late - When someone you love is depressed, what are the warning signs that suicide is a possibility?

Health Buzz: Processed Foods Recalled Over Salmonella Contamination - Six weight loss tricks that don't involve diet or (much) exercise; tips for becoming a happier parent

NIH Consensus Development Conference to Address VBAC Issues - A consensus development conference scheduled for March 8-10 at the NIH campus in Bethesda, Md., will draw together a diverse group of experts to address key issues related to vaginal birth after cesarean, or VBAC.

ACIP Makes Universal Flu Vaccination Recommendation - The influenza vaccination recommendations for the 2010-2011 flu season should be a lot less complicated than those for the current season, thanks to a new recommendation from the CDC's Advisory Committee on Immunization Practices, or ACIP. During the committee's Feb. 24-25 meeting in Atlanta, ACIP members voted without objection to expand the recommendation for annual influenza vaccination to include all people ages 6 months and older in whom the vaccine is not contraindicated.

FDA Fighting for Authority to Regulate Electronic Cigarettes - A U.S. Court of Appeals ruling reinstates the FDA's authority -- at least temporarily -- to stop e-cigarettes from entering the country after a lower court ruled that the agency does not have the authority to regulate electronic cigarettes, even though Congress granted the agency the power to regulate tobacco products in 2009. The FDA filed the appeal after a U.S. District Court judge granted an injunction on Jan. 14 that blocked the FDA from stopping electronic cigarettes from entering the ...

FDA Offers Docs Guidance on Rosiglitazone as Safety Review Nears Completion - The FDA is recommending that patients continue taking the diabetes medication rosiglitazone, unless told otherwise by their physicians, as the agency continues to look at the risks and benefits of using rosiglitazone to treat type 2 diabetes. Meanwhile, the Senate Committee on Finance and drug manufacturer GlaxoSmithKline, or GSK, are debating the safety of the drug.

Do you create greenhouse gases just by cleaning your house? - ad - Is it possible to save money AND reduce how much greenhouse gases you personally produce? Here is an easy way to eliminate 248 lbs of greenhouse gases by living simply. Plus, it will save you money. Is this too good to be true? Or are there good, ethical companies that share your beliefs and convictions?

U.S. herpes rates remain high: CDC - About 16 percent of Americans between the ages of 14 and 49 are infected with genital herpes, making it one of the most common sexually transmitted diseases, U.S. health officials said on Tuesday.

For Quake Scientists, Chile Becomes A Unique Lab - Following the massive earthquake that struck on Feb. 27, scientists have flocked to Chile with the goal of picking up enough clues to one day predict when the next big one will strike.

Circumcision may not cut HIV spread among gay men - Although studies in Africa have shown that circumcision can lower the spread of HIV among heterosexuals, it may not do much to prevent infections among gay and bisexual men in Western countries, a new study suggests.