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Recent guidelines for screening for hepatitis C focused on baby boomers because that population had most of the undiagnosed infections, but because new infections are increasing fastest in those 20 to 39, the guidelines have been revised.

There are several common triggers for headaches. Identifying the one that is causing your headache is the first step toward avoiding it or ensuring you can treat it properly.

The idea of a detox diet or cleanse seems like it might be beneficial, and the advertising is certainly compelling, but these products are not regulated in any way. Evidence of beneficial effects from using them is limited, and there are reports of side effects and complications.

Virtual health care is a convenience in ordinary times, but a valuable tool during a crisis like the one we are experiencing. Also called telehealth, telemedicine, or digital care, it allows medical staff to evaluate patients to determine possible treatment needs and whether they can remain at home.

While COVID-19 brings normal life to a temporary halt as we practice social distancing, it helps to double-down on deepening social bonds and practicing kindness and gratitude, not emotional distancing.

A study comparing the hearts of apes with four different groups of men demonstrates how the heart adapts over a person’s lifetime depending on what exercise a person does (or doesn’t do). The most revealing part of the findings pertained to men who are generally not active.

Does stress really turn hair gray? Scientists conducted experiments that simulated stress and led to gray hair—in mice, which does not mean it’s true for humans, regardless of what you may have heard in the media.

Readers have many questions about the new coronavirus (COVID-19). We have enlisted one of our experts on infectious disease to answer some of them.