The retina, a thin sheet of cells no more than half as thick as a credit card, is the light-sensing part of the eye. If nerve cells were …
Category: Medical Research
Men’s typically taciturn Y chromosomes tell colorful tale of conquests, expansions
There's nothing more macho than a Y chromosome. It not only confers maleness on its recipient but is handed down from one generation to the next pretty much stubbornly unchanged. …
Imaging study shows genetics and environment affect different parts of the brain
One of the oldest scientific debates is "nature versus nurture" -- do inherited traits or environmental factors shape who we are, and what we do? …
New genetic study: More evidence for modern Ashkenazi Jews’ ancient Hebrew patrimony
I hail from the so-called Ashkenazi branch of Jews, who account for the great majority of all Jews in the world today. Ashkenazis are distinguished …
Study: Expiration dates have nothing to do with shelf life of drugs
I'm one of those people who regularly goes through the medicine cabinet looking for expired medications to toss out. But a new study published in …
Commonly used drugs can affect PSA measurement
The prostate-specific antigen (PSA) test has become a first-resort workhorse for determining whether a male patient needs to be biopsied for prostate cancer. Simply put, …