The gene linked to pale skin and red hair appears to have another big role in appearance
Fish oil, Vitamin D and other nutrients appear to raise the potency of medication
A study in rats finds that increased sensitivity to ghrelin causes weight gain and increased body fat, but does not augment appetite
How did the innovative blood-testing company fall so far, so fast?
Experts say listing cannabis among the world’s deadliest drugs ignores decades of scientific and medical data. But attempts to delist it have met with decades of bureaucratic inertia and political distortion
Do vegetables lose their nutritional value when heated?
Malawi has started a test program that uses drones to improve access to HIV testing for babies, since factors including poor roads and high transportation costs can result in delays in testing that prevent access to treatment. Sharon Reich reports.