Jessica Firger

Swabbing infants with vaginal fluid is more likely to introduce them to an infection than healthy bacteria.

In the future, women could have their own pre-exposure prophylaxis that's discreet and easy to use.

Researchers from the U.S. and Brazil say they will have enough evidence by the spring to confirm the outbreak is behind a sharp increase in birth defects.

Diminishing sight, smell, taste, hearing and touch can contribute to poorer health in the elderly.

New research on the U.S. and China suggests heart health is partially determined by the quality of air we breathe.

With infectious diseases, money and manpower goes where there's a need.

A group of physicians in preventive care say there is not enough evidence to support evaluating all young children who do not exhibit signs of the developmental disorder.

Our ancestors shared many genetic traits related to conditions of the immune system and skin, as well as psychological issues.

A new study suggests exercise is critical to slowing age-related cognitive decline.

The average BMI of the models who walk the Fashion Week catwalk is 16. The average adult woman's is 26.5.

A study finds adults with this type of history of traumatic brain injury have a three times higher risk for suicide than the general population.

Federal health officials say Borrelia mayonii is a similar tick-borne illness, but with a few new symptoms.

Health officials in the South Pacific archipelago said they have confirmed five cases of the Zika virus, and suspect there at least 260 more.

Researchers have discovered a genetic mutation responsible for vibratory urticaria, a skin allergy caused by everything from car rides to hand clapping to booming bass.

The FDA is expected to permit scientists to move ahead in controversial gene therapy trials that critics worry could lead to 'designer babies.'

Clearing cellular 'litter'—the cells that no longer divide—resulted in greater longevity, a process that may be transferrable to humans.

Understanding the genetic blueprint of these scourges may provide new targets for developing more effective and specially-tailored pesticides.

The WHO says it is taking immediate action to expedite research on the causal relationship between the outbreak of the virus and the growing rate of infant birth defects in Brazil.

A new study finds this flavor delivers high levels of benzaldehyde, a chemical known to be dangerous when inhaled.

In the future these bloodsuckers may suck a little more.

Preventing the human papillomavirus is critical for reducing rates of certain cancers, according to 69 of the nation's leading clinical and research facilities.

Health officials say they have not yet seen a case of local transmission in the U.S.

Go green, red, purple, blue and orange to maintain healthy weight, says a new study.

Health officials on the island say they are working with the CDC on a plan to prevent transmission of the mosquito-borne virus.

A study suggests young people are just as likely to suffer from this complex condition as adults.

The CDC is developing a plan to track cases of this mosquito-borne illness.

New research finds certain types of the human papillomavirus make a person 22 times more likely to develop oropharyngeal cancer.

A report from the CDC finds the number of centenarians has increased 44 percent in the last decade and a half, thanks to modern medicine.

Your favorite independent neighborhood spot is also cooking up entrées guaranteed to expand your waistline.

Microorganisms that survive the most inhospitable conditions on Earth might help treat some of the deadliest diseases.