Sometimes, if prisoners have a major health problem, such as a heart attack, they can be transferred temporarily to nearby hospitals.

WSJ: Tsarnaev Is Getting Care and High Security

It certainly poses a major health problem.

BBC: Massive rise in Asian eye damage

Other diseases, such as serious depression, are also likely to increase substantially, creating a major public health problem.

FORBES: Katrina's Mental Toll To Be Huge

They say the high rates emphasise the need to treat adolescent suicide as a major public health problem requiring urgent intervention.

BBC: NEWS | South Asia | South India suicide is world high

The new FDA plan is the latest step in a multi-agency Federal effort to address prescription drug abuse, a major public health problem in the United States.

WHITEHOUSE: New Safety Measures for Opioid Medications

Summers suggested the nation faces four major problem areas: energy, health care, inequality of income and continued strength of our financial system.

FORBES: Regulate All That Leverage

The very real problem of increasingly unaffordable health care is driven by the fact that authors of major health legislation have ignored the human factors that drive health costs upward.

FORBES: Anecdotes vs. Economics in Health Care Policy

Researchers at the National Institute of Environmental Health Sciences and the University of Iowa recently found that bacteria in household dust are a major problem for asthma sufferers.

CNN: Give spring a healthier shine