HPV, passed on during sex, causes most cervical cancer; at least half of sexually active people get it, and it usually clears within two years. Pap tests find precancerous cell changes and HPV tests find the virus. Women should start Pap tests at 21 or within three years of first sex.
Section archive
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Disease
Disease news, from thyroid problems to autism.
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Disease
2009 H1N1: Overview of a Pandemic
A slide summary of the 2009 H1N1 pandemic: more than 214 countries reported lab-confirmed cases and at least 18,449 deaths, figures the authors call a substantial undercount. Children, young adults, pregnant women and people with chronic conditions were hit hardest.
Disease
United States Cancer Statistics (USCS)
CDC and NCI combined registry data for their 2007 report, covering cancer incidence in 49 states, six metropolitan areas and DC, or 99% of the US population, plus mortality for 100%. It breaks out 68 cancer sites for men and 72 for women by geography, race and ethnicity.
Disease
CPAP therapy helps sleep apnea patients
A randomized trial of 59 obstructive sleep apnea patients found three weeks of CPAP therapy significantly cut fatigue on two independent measures and raised energy, with mean Epworth Sleepiness Scale scores falling from 13.0 to 8.9. The study appeared in the journal Sleep.
Disease
Low bone mineral density linked to high risk of Alzheimer's disease
Following 2,019 residents aged 65 and over for five years, researchers in Chongqing identified 132 Alzheimer's cases and linked them to low baseline bone mineral density and faster bone loss, alongside smoking, daily drinking and lower leptin. Vitamin D is one proposed common thread.
Disease
Different NICU, different care for premies with sleep apnea
Across 10 NICUs in California and Massachusetts, 264 of 536 infants born at 33 to 34 weeks were diagnosed with apnea, and rates varied widely between units. Babies diagnosed with apnea stayed longer, with differences of nearly a week and a half in length of stay.
Disease
Update: U.S. flu activity remains low during Oct 3 - Dec 11
Between October 3 and December 11, flu activity stayed low in most US regions. Labs found 6.6% of 42,497 specimens positive, 57% influenza A and 43% B, with 63% of positives from the southeast. Characterized strains matched the 2010-11 vaccine.
Disease
Amygdala damage leads to abnormal fear reaction
Researchers describe a woman with bilateral amygdala lesions who showed no normal fear response to snakes, spiders, a haunted house or frightening films while still feeling other emotions. A separate study found alcohol dampened amygdala reactivity to threat in social drinkers.
Disease
Incidence of foodborne illness in 2009 - CDC
CDC's FoodNet identified 17,468 laboratory-confirmed infections across 10 states in 2009. Against 1996-1998, incidence stayed down for Campylobacter, Listeria, Salmonella, STEC O157, Shigella and Yersinia, while Vibrio kept rising. STEC O157 met the Healthy People 2010 target.
Disease
Incidence of Foodborne Illness, 2009
CDC describes FoodNet, its active surveillance network run with 10 state health departments, USDA and FDA. It tracks Campylobacter, Shiga toxin-producing E. coli, Listeria, Salmonella, Shigella, Vibrio, Yersinia, Cryptosporidium and Cyclospora across 46 million people, about 15% of the US, in 2009.
Disease
Pomegranate juice may help prevent prostate cancer
Pomegranate juice killed cultured prostate cancer cells and left the survivors sticking more and migrating less, UC Riverside researchers told a cell biology meeting. They identified the active compounds and planned animal tests of two of them.
Disease
The Alzheimer's and heart attack connection
University of Bologna researchers examined the DNA of 1,800 people and report in the Journal of Alzheimer's Disease a shared genetic predisposition in 30 percent of heart attack patients and 40 percent of those with Alzheimer's, involving genes that control inflammation and cholesterol metabolism.
Disease
Dental fluorosis occurs in 41% among adolescents aged 12-15 in the U.S.
CDC analysts comparing NHANES 1999-2004 with a 1986-87 survey found fewer than a quarter of people aged 6-49 had some dental fluorosis, with the highest prevalence among 12- to 15-year-olds and higher in that age group than two decades earlier.
Disease
Infant mortality slightly down in 2008
NCHS preliminary data put the 2008 infant mortality rate at 6.59 deaths per 1,000 live births, 2.4 percent below 2007. Neonatal mortality fell 3.4 percent while postneonatal mortality held steady. The rate for black infants, 12.68, was 2.3 times the white rate of 5.54.
Disease
Depression Affects 1 in 10 U.S. Adults
CDC analysis of 235,067 BRFSS responses from 2006 and 2008 found 9 percent met criteria for current depression and 3.4 percent for major depression. State estimates ranged from 4.8 percent in North Dakota to 14.8 percent in Mississippi, with the highest rates in the Southeast.
Disease
Shorter index fingers linked to higher prostate cancer risk
Men whose index fingers were shorter than their ring fingers were about a third more likely to develop prostate cancer, and 87 percent more likely among men under 60, according to a British Journal of Cancer study. Relative finger length is set before birth.
Disease
More U.S. children, adolescents suffer eating disorders - report
Reviewing about 200 studies for Pediatrics, David Rosen estimates 0.5 percent of adolescent girls have anorexia nervosa and 1 to 2 percent bulimia, with boys now up to 10 percent of cases. He urges pediatricians to spot the signs, screen patients and intervene early.
Disease
One of the Most Common Causes of Insomnia
An interview with clinical psychologist Rubin Naiman, who has worked on sleep and dreams for 20 years and built the first formal sleep laboratory outside a hospital. Mercola argues that without good sleep, diet, exercise and freedom from stress are not enough to stay healthy.
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