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sleep-082114.jpg Older people sleep less because they have lost brain cells that can prevent disrupted sleep. In the new study, conducted by a team of researchers at Beth Israel Deaconess Medical Center and the University of Toronto, researchers examined 1,000 healthy brains at age 65 until death, tracking their sleep patterns.

schoolgirl-082114.jpg American teens are giving birth at the lowest rate since 1940 because of contraception use and abstinence, according to research conducted by the CDC. The government agency found that 277,749 babies were born to mothers under the age of 20 in 2013, the lowest number since data began being collected.

zumbadance-081914.jpg New research shows that high intensity workouts are safe for heart transplant patients. The study, released online in the American Journal of Transplantation, included 16 stable heart transplant patients who'd had their new heart for more than a year, who continued their recommended moderate workouts while others did high-intensity exercise.

ChildhoodDisability-081914.jpg The rates of developmental and mental disabilities have jumped 21 percent among U.S. children, according to a new report. The 10-year study, published online in Pediatrics, studied parents' responses about children from birth through age 17 gathered in 2000-2011 government-conducted health surveys. Parents were asked about disabilities from chronic conditions.

Ruxolitinib-081914.jpg A drug that is commonly used to treat bone marrow cancer may help to restore hair in patients with an autoimmune disease that causes hair loss, a new study has found. The study, published online August 17 in the journal Nature Medicine, found that the drug ruxolitinib (brand name: Jakafi) helped to restore hair growth in a small number of patients with alopecia areata.

hypodermicneedle-052812_10Jul12.jpg A new study suggests that the human papillomavirus (HPV) vaccine can protect people for at least eight years. In this study, published in the journal Pediatrics, researchers recruited 1,781 boys and girls between the ages of nine and 15 who were not sexually active. The participants were randomly assigned to the vaccine or the placebo group.

heartbeat-081314.jpg The heart rhythms of those undergoing surgery could indicate potential stroke risk, according to a new study from researchers at the University of California, San Francisco Medical School. For the study, the researchers reviewed health records of 1.7 million California residents that underwent inpatient surgery over a three-year period.

WomanExercising-052014.jpg More exercise isn't always better for people who have suffered and survived a heart attack. In a study published in the Mayo Clinic Proceedings, researchers studied the relationship between exercise and heart disease-related deaths in 2,400 active heart attack survivors over ten years. They found that increasing their exercise (in this study, walking and running) reduced their heart attack risk.

tatookit-081214.jpg The FDA has issued a recall on some home tattoo kits, claiming that they could cause harmful infections. The kits included in the recall are those marketed by White and Blue Lion, Inc. Both companies issued recalls on these products in July, but now the FDA is also requesting that customers return these products to the manufacturers immediately.

beverages-081214.jpg Beverages with high acidity levels could permanently damage children's teeth, according to a new study from researchers at the Craniofacial Biology Research Group at the University of Adelaide in Australia. "Our research has shown that permanent damage to the tooth enamel will occur within the first 30 seconds of high acidity coming into contact with the teeth."

hospitalbeds-081214.jpg One in six lupus patients are likely to wind up back in the hospital within one month of their initial visit, according to a new study from researchers at the Division of Rheumatology at the University of California-San Francisco. For the study the researchers reviewed health records of 31,903 Systemic lupus erythematosus (SLE) patients aged 18 and up between the years of 2008 and 2009.

The FDA has reportedly approved a new genetic test that could help diagnose colon cancer. The new test, named Cologuard, scans for any genetic mutations in a patient's stool that could serve as an indicator of irregular growths within the colon. The new test, which will be available by prescription only, is produced by med maker Exact Sciences.

handwashing-081114.jpg Antibacterial compounds present in soaps and other household products may have a negative impact on the unborn children of pregnant women, according to a study presented at the recent American Chemical Society meeting. The FDA is reviewing the safety of the compound triclosan, which appeared in every woman of 184 tested in the recent study.

brain-081114.jpg Researchers have found that regardless of where an athlete gets hit on the head, concussions are serious in a new study. In this study, conducted at the Colorado School of Public Health and the University of Colorado at Denver and published in the journal, Pediatrics, researchers analyzed data taken from the National High School Sports-Related Injury Surveillance Study.

coffee-022113.jpg A new study has linked drinking coffee to a reduced risk of tinnitus. The study, published in the American Journal of Medicine, tracked 65,000 women over the course of 18 years. It showed that those who drank more coffee had a reduced risk of developing tinnitus. However, despite the study's findings, researchers aren't entirely sure what the caffeine link is.