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'Love hormone' may treat daily headaches

The hormone oxytocin, which has been shown to increase trust and social bonding, could also work as a treatment to relieve pain in those who suffer from frequent headaches, according to a new study. Full story

Nasal spray makes men more empathetic

A nasal spray that works like a performance enhancer for empathy brain circuits could render bickering between insensitive men and emotional women unnecessary, a new study suggests. Full story

U.S. ramps up H1N1 vaccine distribution

   Oct. 11: With swine flu outbreaks in every state, federal officials are hoping that the release of the injectable vaccine – as well as more nasal spray – will help control the disease. NBC’s Ron Allen reports.

First swine flu vaccines arrive

   Oct. 5: A massive campaign to vaccinate millions of Americans against swine flu got underway Monday, as health care workers in Indiana and Tennessee were among the first to receive doses of the new vaccine in its nasal spray form. NBC's Chief Science Correspondent Robert Bazell reports.

Swine flu vaccine rolls out

   Oct. 5: Health care workers in Memphis and Indianapolis are among the first Americans to be inoculated against swine flu. How are doctors reassuring people that the shots are safe? Dr. Nancy Snyderman talks with an ER doctor receiving the nasal spray vaccine and an infectious disease specialist.

Seasonal flu shot a must-have?

   Oct. 3: NBC’s Lester Holt speaks with Dr. Steven Lamm.

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Shots beat back the flu much better than spray

CDC: First swine flu vaccines will be nasal spray


  Swine vaccine ready in October

Sept. 19: CDC officials say a nasal spray swine flu vaccine will be ready the first week of October. NBC's Tracie Potts reports.

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Related Photos

Trinity Gilmore and Taryn Cephas with H1N1 vaccines
Trinity Gilmore and Taryn Cephas with H1N1 vaccines

epa01889797 Two year old Trinity Gilmore gets one of the first doses of the H1N1 vaccine delivered as a nasal spray and administered by nurse Taryn Cephas at Rush University Medical Center in Chicago, Illinois, USA 06 October 2009. Chicago hospitals and clinics were some of the first area health pro