Brain Networks Connected to Teen Drug Use

May 7, 2012
Brain Networks Connected to Teen Drug Use

Why do some teenagers start smoking or experimenting with drugs—while others don’t? In the largest imaging study of the human brain ever conducted—involving 1,896 14-year-olds—scientists have discovered a number of previously unknown networks that go a long way toward an answer. Robert Whelan and Hugh Garavan of the University of Vermont, along with a...

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Scientific Evidence Proves why Faith Healers See the “Aura” of People

May 7, 2012
Scientific Evidence Proves why Faith Healers See the “Aura” of People

Researchers in Spain have found that many of the individuals claiming to see the aura of people –traditionally called “healers” or “quacks”– actually present the neuropsychological phenomenon known as “synesthesia” (specifically, “emotional synesthesia”). This might be a scientific explanation of their alleged “virtue”. In synesthetes, the brain regions responsible for the processing of each...

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Men who play volleyball, basketball in early 20s shielded from osteoporosis

May 7, 2012
Men who play volleyball, basketball in early 20s shielded from osteoporosis

Young men who play volleyball, basketball or other load-bearing sports for four hours a week or more increase bone mass and might gain protection from developing osteoporosis later in life, according to a new study in the May issue of the Journal of Bone and Mineral Research. The study, the largest scale investigation of...

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Slaughtering animals without prior stunning should be curbed, if not banned

May 7, 2012
Slaughtering animals without prior stunning should be curbed, if not banned

Former British Veterinary Association president says current situation is ‘not acceptable’ The slaughter of animals for commercial meat supply without stunning them first should at the very least be curbed, if not banned, concludes a former president of the British Veterinary Association (BVA) in...

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One Baby Born Each Hour Addicted to Opiate Drugs in U.S.

May 4, 2012
One Baby Born Each Hour Addicted to Opiate Drugs in U.S.

About one baby is born every hour addicted to opiate drugs in the United States, according to new research from University of Michigan physicians. In the research published April 30 in the Journal of the American Medical Association, U-M physicians found that diagnosis of neonatal abstinence syndrome, a drug withdrawal syndrome among newborns, almost...

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Safety Concerns Over Smoking-Cessation Drug Varenicline Misleading

May 4, 2012
Safety Concerns Over Smoking-Cessation Drug Varenicline Misleading

An Extensive UCSF Study Questions Previous Study’s Analytic Methods A popular smoking cessation medication has been under a cloud of suspicion ever since the Canadian Medical Association Journal (CMAJ) published a study July 2011 reporting “risk of serious adverse cardiovascular events associated with varenicline.” Varenicline, also known as Chantix, blocks the pleasant effects of...

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Pleasure eating triggers obesity

May 4, 2012
Pleasure eating triggers obesity

When eating is motivated by pleasure, rather than hunger, endogenous rewarding chemical signals are activated which can lead to obesity, according to a recent study accepted for publication in The Endocrine Society’s Journal of Clinical Endocrinology & Metabolism (JCEM). The phenomenon ultimately affects body mass and may be a factor in the continuing rise...

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Low oxygen levels could drive cancer growth

May 4, 2012
Low oxygen levels could drive cancer growth

Low oxygen levels in cells may be a primary cause of uncontrollable tumor growth in some cancers, according to a new University of Georgia study. The authors’ findings run counter to widely accepted beliefs that genetic mutations are responsible for cancer growth. If hypoxia, or low oxygen levels in cells, is proven to be...

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Ancient remedy arrests the growth of cancer cells

May 3, 2012
Ancient remedy arrests the growth of cancer cells

An over-the-counter natural remedy derived from honeybee hives arrests the growth of prostate cancer cells and tumors in mice, according to a new paper from researchers at the University of Chicago Medicine. Caffeic acid phenethyl ester, or CAPE, is a compound isolated from honeybee hive propolis, the resin used by bees to patch up...

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Runner’s High Played a Role in Human Evolution

May 3, 2012
Runner’s High Played a Role in Human Evolution

Aerobic exercise triggers a reward system in the body of mammals built for endurance – like humans – but not other creatures, a new study from the University of Arizona and Eckerd College says. The findings suggest that natural selection used the pleasures of “runner’s high” to motivate endurance exercise in humans and other...

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Eating fish, chicken, nuts may lower risk of Alzheimer’s disease

May 3, 2012
Eating fish, chicken, nuts may lower risk of Alzheimer’s disease

A new study suggests that eating foods that contain omega-3 fatty acids, such as fish, chicken, salad dressing and nuts, may be associated with lower blood levels of a protein related to Alzheimer’s disease and memory problems. The research is published in the May 2, 2012, online issue of Neurology®, the medical journal of...

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