Health & Medicine
- Health & Medicine
Genetic defect tied to autoimmune diseases
Rare mutations in an enzyme lead to several different disorders.
- Health & Medicine
Vitamin B6 linked to lowered lung cancer risk
High levels of folate and the amino acid methionine also seem to help, a new study finds.
By Nathan Seppa - Health & Medicine
H1N1 virus lacks Spanish flu’s killer protein
Researchers uncover a deadly secret of Spanish flu.
- Health & Medicine
Different berries, similar cancer-fighting effects
Animal tests suggest that esophageal and breast cancer might make good targets for several types of berries as dietary supplements.
By Nathan Seppa - Health & Medicine
What’s missing may be key to understanding genetics of autism
A large study of people with the developmental disorder reveals the importance of extremely rare variations in genes, making each case a bit different.
- Health & Medicine
In youth hockey, more contact means more injuries
Concussions are three times more common among 11- to 12-year-olds in leagues that permit checking, a Canadian study finds.
By Nathan Seppa - Health & Medicine
New angle on treating sepsis
An enzyme that plays a role in the lethal inflammatory disorder may be a suitable drug target, early tests show.
By Nathan Seppa - Health & Medicine
Understanding why hot peppers are slimming
Korean researchers describe pepper-triggered changes in genes that appear to underlie the fat-shunning changes of chilis — ones that point to how their fiery chemistry might be harnessed to fight obesity.
By Janet Raloff - Health & Medicine
Shark cartilage doesn’t appear to help lung cancer
Patients taking an extract show no improvement.
- Health & Medicine
Tiny blood vessels expel clots by force
A study in mice uncovers a new way that capillaries keep the flow going.
- Health & Medicine
Immune traits may identify lucky kidney-transplant recipients
Tests find a genetic signature that may delineate people who could drop immune-suppression therapy.
By Nathan Seppa - Humans
Teeth as a forensic clock
Here’s something we’re likely to see that endearing techno whiz kid, Abby Sciuto, whip out of her forensic arsenal next season on NCIS. They’re chemical and nuclear technologies to date teeth. When paired up, new research indicates, they’ll identify not only when people were born but also the age at which they clocked out — thereby pointing to the general date of death.
By Janet Raloff