Not exact matches
More disturbing than the incidence of cardiac arrest
in fairly
healthy people, however, are the
variations in survival rates, which can swing from as low as 3 %
in some US counties to as high as 20 %
in others, The New York Times reports.
Using an approach called a genome - wide association study, researchers scanned complete sets of DNA
in thousands of participants, looking for small
variations that appear more often
in people with the disease than
in healthy individuals.
Although previous research has identified genes involved with behaviors seen
in eating disorders such as anorexia or bulimia, little is known about how natural
variation in these genes could affect eating behaviors
in healthy people.
The goal is to identify
variations that are more common
in people with the condition than
in healthy people.
Since scientists first decoded a draft of the human genome more than 15 years ago, many questions have lingered, two of which have been addressed
in a major new study co-led by a Princeton University computer scientist: Is it possible, despite the complexity of billions of bits of genetic information and their
variations between
people, to develop a mechanistic model for how
healthy bodies function?
By comparing the sequences of these genes
in healthy versus anorexic
people, the team found that anorexic women consistently had particular sequence
variations in two of these three genes.
The team first analyzed common genetic
variation in 75,607
people of European ancestry who self - reported being diagnosed or treated for depression and 231,747
healthy controls of similar ethnicity.
The findings shown here — that even small
variations in sleep patterns can affect measures of wellness
in otherwise
healthy people — has large implications for how much we can really control our sleep and social lives without doing harm.
A handful of studies exist showing an insulin response from just sweet taste
in healthy people, and some studies show a lot of
variation in obese subjects, as well.
There are medical reasons such as malabsorption syndromes, alcoholism, or genetic
variations that affect the requirement for micronutrients
in some
people, and usually require supplementation, but a
healthy person can only be
healthier on a wholefood diet.