One in five Americans has their daily life affected by hearing loss--and earbuds blaring loud music may be just a small factor. Katherine Harmon reports
Chromosome-protecting telomeres are shorter in people with depression--which has been linked to irregular stress hormone levels. Katherine Harmon reports
The anterior cerebral artery widens just before brain freeze, sending warming blood to the brain but increasing the pressure to painful levels. Katherine Harmon reports
Being in good shape in your 30s through 50s not only increases life span but also improves quality of life for decades to come. Katherine Harmon reports
Overweight patients are more likely to take weight-loss advice from overweight doctors, but the advice from thin doctors may be of higher quality. Katherine Harmon reports
Professional "free divers" have no trouble holding their breath for minutes at a time. What stops us from doing the same? In this episode, Scientific American 's Katherine Harmon--and Katherine Harmon--explore the limits of human physiology...
Yellowing of the eye lenses changes the array of incoming light wavelengths, which can affect circadian rhythms, including sleep patterns. Katherine Harmon reports
Common grapefruits have a compound that can negatively interact with some medications. A new hybrid grapefruit solves the problem. Katherine Harmon reports
In rural Nepal volunteer motorcyclists are transporting snakebite victims to medical care soon enough to cut deaths by 95 percent. Katherine Harmon reports
After decades of working on health problems in Haiti and other poor countries, Paul Farmer suggests equity is the best way to better health. Katherine Harmon reports
Boys get more outside playtime than girls, and almost half of parents do not take their preschool-aged kids out to play once a day. Katherine Harmon reports
Subjects randomly surveyed within view of a church gave more conservative responses than those surveyed within view of a secular school. Katherine Harmon reports
