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Depressed-021216.jpg A new study suggests that a person's risk of depression or nicotine addiction may be influenced by Neanderthal DNA. In the study, published in the journal Science, researchers focused on bits of Neanderthal DNA that had been identified in prior research. They looked for effects from about 1,500 of them in medical records of some 28,000 Americans of European ancestry.

Asthma-Inhaler-021216.jpg Pregnant women who take acetaminophen may be more likely to have a child with asthma, a new study suggests. For the study, published in the International Journal of Epidemiology, Norwegian researchers tracked data from the Norwegian Mother and Child Cohort Study. Investigators focused on conditions during pregnancy for which some expectant mothers took acetaminophen.

Education-021216.jpg More education could decrease the risk of developing dementia, according to a new study. The study, published in The New England Journal of Medicine, looked at 30 years of records from more than 5,000 people in the Framingham Heart Study, which has closely tracked the health of volunteers in Framingham, Massachusetts.

Human-Brain-020916.jpg Those who experience routine concussions could be at a higher risk of suicide, according to a new study from researchers at the Institute for Clinical Evaluative Sciences and a physician at Sunnybrook Health Sciences Center in Toronto. For the study the researchers pulled health records for everyone that was diagnosed but didn't need surgery or hospitalization in the province of Ontario.

Sleep-in-ruins-020916.jpg There may be a new treatment for jet lag on the way, according to a new study from researchers at the Stanford University School of Medicine. For the study the researchers collected data from 39 participants ranging in age from 19 to 36. They had each of the participants get on a sleep cycle in which they went to bed and rose at the same time every night for two weeks.

Rainbow-flag-020916.jpg Conversion therapy, a process attempting to convert homosexuals in heterosexuality, may soon be banned in the state of New York. Thus far the scientifically unproven therapy has only been banned in California, New Jersey, Oregon and Illinois. Earlier this week New York governor Andrew Cuomo announced plans to ban the process within the state.

Pertussis-020916.jpg Protections from a whooping cough vaccine may diminish faster following a booster shot, according to new data from the Kaiser Permanente Vaccine Study Center. The research looked specifically at the DTaP vaccine, which is currently given to children aged 2, 4 and 6 months. Now, however, the researchers suggest that the booster's efficacy may decrease over time.

Alcoholism-020916.jpg As many as one in three lawyers may struggle with alcoholism, according to a new study that was commissioned by the Bar Association of America and the Betty Ford Hazelden Foundation. For the study the researchers pulled data from about 12,000 active lawyers. They found the heaviest drinkers within the profession were around the age of 30.

Whether you are a morning person or a night owl may be influenced by genes connected to the circadian rhythm, a new study suggests. In a paper published in Nature Communications, researchers from consumer genetics company 23andMe and San Jose State University report the discovery of 15 gene regions linked to our preference for or against "morningness."

deodorant-020316.jpg According to new research, the type of antiperspirant you use determines the type and quantity of the thousands of bacteria species that live on your skin. The study, published in the journal PeerJ, involved 17 study participants. Three men and four women used antiperspirant products, three men and two women used deodorant, and three men and two women used neither product.

beard-020316.jpg Bacteria collected from beard hair may help to develop new antibiotics that may be able to kill off infection-promoting strains, according to new research. Dr. Adam Roberts, a microbiologist from University College London, collected samples from the beards of 20 different men and sorted through roughly 100 types of bacteria he found.

Surgical residents who allowed more flexible hours as opposed to standard duty hour-limits, did not have worse patient outcomes, according to a new study. The study, published in the New England Journal of Medicine, split 115 surgical residency programs at 148 affiliated hospitals into two groups for a noninferiority trial to test duty-hour rules.

terrierdog-020216.jpg Man's best friend may be able to read human body language in much the same way that humans do, according to a new study conducted by researchers at the University of Helsinki in Finland. The researchers found that dogs were specifically adept at reading the emotions linked with human facial expressions. For the study the researchers used eye movement tracking to collect data on 31 dogs.

bedbug-020216.jpg Bed bugs in some regions may be developing a resistance to insecticides, according to new data collected by New Mexico State University. For the study the researchers examined on isolated populations of bed bugs in both Michigan and Ohio. They found that these populations of bed bugs required insecticide concentrations that were about 1,000 times larger than other non-resistant bugs.

marijuana-020216.jpg Those who habitually use marijuana could experience declines in verbal memory later in life, according to a new study from researchers at the University of Queensland in Australia and Kings College, London. For the study the researchers collected data from the Coronary Artery Risk Development in Young Adults (CARDIA).

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