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Human-Neanderthal relationships may be at root of modern allergies
Three genes inherited from our Neanderthal cousins may cause modern carriers to have an overly-sensitive immune system susceptible to allergiesPassionate encounters between ancient humans and their burly cousins, the Neanderthals, may have left modern people more prone to sneezes, itches and other allergies, researchers say.The curious legacy comes from three genes that crossed into modern humans after their distant ancestors had sex with Neanderthals, or their close relatives the Denisovans, more than 40,000 years ago. Continue reading...
Source: Guardian Unlimited Science - January 7, 2016 Category: Science Authors: Ian Sample Science editor Tags: Genetics Science Neanderthals Immunology Human biology Anthropology Evolution Allergies Source Type: news
11 Ways To Make The Most Of Every Morning
Lots of people set the alarm with the best of intentions, knowing that's the time they need to get up to meet the day's demands. But then the alarm clock seems to ring far before they're ready to rise, so they're hitting snooze and, eventually, running late. Something's got to give. The key lies inside your body. "An important factor in being able to wake up easily at the desired time in the morning is the timing of one's circadian rhythm, or 'body clock,'" says sleep researcher Leon C. Lack, Ph.D., a professor in the school of psychology at Flinders University in Adelaide, Australia. Much of what you need to do to wake up...
Source: Science - The Huffington Post - December 22, 2015 Category: Science Source Type: news
9 Weird Things Keeping You Up At Night
Every once in a while you have a bad night's sleep and you know exactly why: You found yourself at the coffee maker at 4 p.m. or there were sirens blaring outside your window all night or maybe your allergies are killing you. But more often than not the reasons behind your less-than-satisfactory slumber remain a mystery and you slog through the day with the unpleasant memory of your alarm clock's siren close at hand. We're shining a light on some of the most surprising reasons you can't sleep below. Some of them you can't control, but some of them require only the tiniest of tweaks to help you hit the hay in no time. ...
Source: Science - The Huffington Post - December 18, 2015 Category: Science Source Type: news
Children with common allergies have twice heart disease risk
Children with allergies, particularly asthma and hay fever, have about twice the rate of high blood pressure and high cholesterol, setting them on a course for heart disease at a surprisingly early age, reports a new study. Even when the study controlled for obesity, children with allergic disease had a much higher risk. The study suggests these children need to be screened more aggressively for high cholesterol and high blood pressure, so they can modify their lifestyles and reverse this risk.
Source: ScienceDaily Headlines - December 8, 2015 Category: Science Source Type: news
Are Wi-Fi Allergies Real?
For some time now, people with unexplained and recurring headaches, dizziness and skin irritation have been blaming their often severe discomfort on sensitivity to electromagnetic field sources, a condition sometimes called electromagnetic hypersensitivity (EHS), according to the World Health Organization (WHO). In a recent case, the family of a 15-year-old girl in the United Kingdom who died by suicide said the girl had suffered from an allergy to Wi-Fi signals. The signals at her school made her nauseated, gave her blinding headaches and made it difficult for her to concentrate, the teen's mother said in a U.K. cour...
Source: Science - The Huffington Post - December 7, 2015 Category: Science Source Type: news
FDA OKs Genetically Modified Salmon For Human Consumption
WASHINGTON (AP) -- The Food and Drug Administration on Thursday approved genetically modified salmon, the first such altered animal allowed for human consumption in the United States. The Obama administration had stalled in approving the fast-growing salmon for more than five years amid consumer concerns about eating genetically modified foods. But the agency said Thursday the fish is safe to eat. In announcing the approval, the FDA said that there are "no biologically relevant differences in the nutritional profile of AquAdvantage Salmon compared to that of other farm-raised Atlantic salmon." AquAdvantage Salmon was creat...
Source: Science - The Huffington Post - November 19, 2015 Category: Science Source Type: news
Editors' Choice Worming your way out of allergies
Author: Kristen L. Mueller
Source: Science: Current Issue - November 13, 2015 Category: Science Authors: Kristen L. Mueller Tags: Immunology Source Type: research
Immunology Worming your way out of allergies
Accumulating evidence suggests that infection with intestinal parasitic worms can protect against allergy. Zaiss et al. investigated how worms reduce allergic reactions, using – [Read More]
Source: Editors' Choice - November 12, 2015 Category: Science Authors: Kristen L. Mueller Tags: Immunology Source Type: research
An Overreaction to Food Allergies
Many children are wrongly diagnosed with food allergies because of inaccurate tests
-- Read more on ScientificAmerican.com
Source: Scientific American - Official RSS Feed - November 10, 2015 Category: Science Tags: The Science of Health Ethics Medicine Pharmaceuticals Public Health Wellness The Sciences Biology Everyday Science Policy & Society Source Type: research
Podcast: Allergies, artificial fingertips, and using human waste to power homes
Listen to a roundup of some of our favorite stories from the week
Source: ScienceNOW - November 6, 2015 Category: Science Source Type: news
Neurodermatitis genes influence other allergies
There's a typical 'career' for some allergic people, and it starts very early on the skin: babies develop atopic dermatitis, food allergies may follow, then comes asthma and later on hay fever. A group of scientists has now identified seven genetic risk loci for this course of disease.
Source: ScienceDaily Headlines - November 6, 2015 Category: Science Source Type: news
Delhi's air pollution is causing a health crisis. So, what can be done?
The city’s toxic air has been linked to allergies, respiratory conditions, birth malformations and increasing incidence of cancers. But as a recent car-free experiment showed, action to cut pollution can be effectiveFor a few hours one morning two weeks ago, private cars were banned from driving into the heart of old Delhi. It was hard to tell at the messy road junction in front of the historic Red Fort and the shopping street of Chandni Chowk, though, which was still crammed with auto-rickshaws and buses barrelling along the roads with seemingly little regard for any traffic rules. But Delhi’s so-called “car-free da...
Source: Guardian Unlimited Science - November 3, 2015 Category: Science Authors: Alok Jha Tags: Pollution Environment Delhi Health Asthma Society India South and Central Asia Cities Climate change Greenhouse gas emissions Global development Source Type: news
Everything This Researcher Said About Baby Formula May Be Wrong
The British Medical Journal retracted a 1989 study about the role of breastfeeding and baby formula in infant eczema this week because of scientific misconduct on the part of the study author, Dr. Ranjit Kumar Chandra. The journal editors called the decades-late retraction "a major failure of scientific governance."
The retracted study claimed that mothers from families with a history of eczema could reduce their babies' risk of developing the disease by following a restrictive diet or feeding their babies formula. An internal investigation by the Canadian university that employed Chandra at the time of his study...
Source: Science - The Huffington Post - October 30, 2015 Category: Science Source Type: news
Reptile pets: Food insects shuttle allergens into homes
Reptiles are becoming increasingly popular as pets. The number of reptile pets, such as lizards, turtles and snakes, has doubled in the past ten years. Researchers recently showed that grasshoppers used as reptile food can be a source of allergies.
Source: ScienceDaily Headlines - October 30, 2015 Category: Science Source Type: news
