The study of the distribution, incidence and eventual control of a disease
15
votes
3answers
288 views
How does the immune system “learn” from a vaccine?
According to Wikipedia:
A vaccine typically contains an agent that resembles a disease-causing
microorganism, and is often made from weakened or killed forms of the
microbe, its toxins or one ...
7
votes
1answer
80 views
obesity risk and single gene polymorphisms
I read a fairly recent meta-analysis of studies into the association between adult obesity and polymorphisms of the FTO gene (Peng et al., 2011). The paper looked at 59 studies and found that "FTO may ...
0
votes
1answer
77 views
What's the difference between life expectancy of cigarette smoker and general population?
Some say that smoking cigarettes will shorten lifespan. By how many years is the lifespan of a typical smoker shortened? What are the common cause(s) of death among smokers? Are there any known ...