A family with at least one obese adult may be more likely to have an obese child. But a bigger influence may be other children in the home.

Screening can detect certain diseases in the early stages, possibly increasing the chances of successful treatment. However, in some cases, screening a whole population can lead to more harm than good.

Vaccines can be used to protect against both viruses and bacteria. But bacteria have a secret weapon that makes them harder to fight.

Public health awareness campaigns often focus on reducing cigarette smoking, but other smoking risks exist as well. In addition to cigars, hookahs present health risks too.

Past research has linked lower socioeconomic status to a higher risk for heart disease. A new study now suggests that low socioeconomic status might be linked to a specific circulatory problem.

As men age, their bodies may start to produce less testosterone. In some cases, men may need to use testosterone therapy to prevent certain health problems. However, some research suggests that testosterone therapy could raise the risk for heart attack.

Peripheral artery disease (PAD) reduces blood flow to the limbs, which can make it painful to walk for some patients. Eating a certain tasty treat before going on a walk may ease some of that pain.

Falling asleep behind the wheel is a dangerous situation. Preventing such situations requires knowing what can lead to drowsy driving — a topic that researchers recently explored.

While some antibiotics may cure a bacterial infection, they also may be linked to less desirable health effects.