Many Americans are not adequately protecting themselves against colds and flu this season. Are you? If not, find out how.

Viruses manage to disable the body's immune response due to a key viral gene that inhibits important signaling cells and allows infections to slip in undetected.

Canadian researchers have identified a sort of vicious-cycle relationship between the health of epileptic children and depression in their mothers.

A study from the University of Colorado finds that the body does not save as much energy during sleep as was expected, and sleep deprivation can be measured in "miles."

Anti-cocaine vaccine works wonders in mice by developing a cocaine "immunity" and preventing the drug from having any effect on the brain.

A study from the University of Rochester Medical Center reveals that the survival rate of critically injured individuals is greater for those transported to trauma centers by helicopter rather than by ground ambulance.

Recent studies of smoking cessation medications find that certain drugs are successful at inhibiting brain pathways that enhance feelings of reward and emotion, which smoking activates.

Children admitted to hospitals across the country are becoming increasingly exposed to a bacteria that can cause severe and even fatal gastrointestinal infections.

For children under four years of age, scalds are the primary cause of burn injury. Five thousand US children are sent to hospital emergency rooms each year for scald injuries from hot tap water or bath water.

When severely ill patients are admitted to medical intensive care units, their families have to make difficult decisions.