Health & Medicine
- Health & Medicine
Malaria vaccine closer to reality
The success of two trials sets the stage for a final, large-scale trial that could mean approval of what would be the first vaccine against Malaria.
By Nathan Seppa - Health & Medicine
Lack of sleep has genetic link with type 2 diabetes
Large genomic studies show body rhythms, melatonin may influence sugar levels in the blood.
- Health & Medicine
Honeybee CSI: Why dead bodies can’t be found
Virus could explain one symptom of colony collapse.
By Susan Milius - Health & Medicine
Imagination Medicine
Brain imaging reveals the substance of placebos. Expectation alone triggers the same neural circuits and chemicals as real drugs.
- Health & Medicine
Men line up for circumcision in Africa
But demand for the operation, shown to guard against HIV and other infections, exceeds availability.
By Nathan Seppa - Health & Medicine
Fine-scale structure of egg crucial for fertility
Scientists describe the shape of a protein required for conception. These new molecular details will lead to an improved understanding of how sperm and egg unite.
- Health & Medicine
Protein found to set the heart’s cadence
Researchers have discovered a molecular metronome that sets the rhythm of the heart and blood pressure.
- Chemistry
Nanosilver disinfects — but at what price?
Silver demonstrates some unusual immunological impacts at the nanoscale.
By Janet Raloff - Health & Medicine
Bone density may be determined in the gut
A surprising new connection between the gut and bones may lead to new forms of treatment for human bone diseases such as osteoporosis.
- Health & Medicine
Lifestyle may link depression and heart disease
The association between depression and heart problems could stem from a lack of physical activity and other lifestyle factors.
By Nathan Seppa - Health & Medicine
Many drug trials never see publication
Results of most drug trials are unreported, inaccessible to clinicians and patients, a new study confirms.
- Humans
Is Your Fish Oil Polluted?
Clues to gauging the likely purity of fish-oil capsules.
By Janet Raloff